{"id":617936,"date":"2023-03-01T03:48:00","date_gmt":"2023-03-01T03:48:00","guid":{"rendered":"https:\/\/www.indcareer.com\/schools\/?p=617936"},"modified":"2024-05-02T10:52:24","modified_gmt":"2024-05-02T10:52:24","slug":"ncert-exemplar-class-12-maths-chapter-12-linear-programming","status":"publish","type":"post","link":"https:\/\/www.indcareer.com\/schools\/ncert-exemplar-class-12-maths-chapter-12-linear-programming\/","title":{"rendered":"NCERT Exemplar Class 12 Maths Chapter 12: Linear Programming"},"content":{"rendered":"\n<p>NCERT Exemplar Class 12 Maths Chapter 12: Linear Programming. NCERT Exemplar Solutions for Class 12 Maths Chapter 12 Linear Programming prepare students for their Class 12 exams thoroughly. <\/p>\n\n\n\n<p>Maths problems and solutions for the Class 12 pdf are provided here which are similar to the questions being asked in the previous year&#8217;s board. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-ncert-exemplar-class-12-maths-chapter-12-linear-programming\"><strong>NCERT Exemplar Class 12 Maths Chapter 12: Linear Programming<\/strong><\/h2>\n\n\n\n<p>Class 12: Maths Chapter 12 solutions. Complete Class 12 Maths Chapter 12 Notes.<\/p>\n\n\n\n<p><strong>12.1 Overview<\/strong><br><strong>12.1.1 An Optimisation Problem<\/strong>&nbsp;A problem which seeks to maximise or minimise a function is called an optimisation problem. An optimisation problem may involve maximisation of profit, production etc or minimisation of cost, from available resources etc.<br><strong>12.1.2 A Linnear Programming Problem (LPP)<\/strong><br>A linear programming problem deals with the optimisation (maximisation\/ minimisation) of a linear function of two variables (say x and y) known as objective function subject to the conditions that the variables are non-negative and satisfy a set of linear inequalities (called linear constraints). A linear programming problem is a special type of optimisation problem.<br><strong>12.1.3 Objective Function<\/strong>&nbsp;Linear function Z = ax + by, where a and b are constants, which has to be maximised or minimised is called a linear objective function.<br><strong>12.1.4 Decision Variables<\/strong>&nbsp;In the objective function Z = ax + by, x and y are called decision variables.<br><strong>12.1.5 Constraints<\/strong>&nbsp;The linear inequalities or restrictions on the variables of an LPP are called constraints. The conditions x \u2265 0, y \u2265 0 are called non-negative constraints.<br><strong>12.1.6 Feasible Region<\/strong>&nbsp;The common region determined by all the constraints including non-negative constraints x \u2265 0, y \u2265 0 of an LPP is called the feasible region for the problem.<br><strong>12.1.7 Feasible Solutions<\/strong>&nbsp;Points within and on the boundary of the feasible region for an LPP represent feasible solutions.<br><strong>12.1.8 Infeasible Solutions<\/strong>&nbsp;Any Point outside feasible region is called an infeasible solution.<br><strong>12.1.9 Optimal (feasible) Solution<\/strong>&nbsp;Any point in the feasible region that gives the optimal value (maximum or minimum) of the objective function is called an optimal solution.<br>Following theorems are fundamental in solving LPPs.<br><strong>12.1.10 Theorem 1<\/strong>&nbsp;Let R be the feasible region (convex polygon) for an LPP and let Z = ax + by be the objective function. When Z has an optimal value (maximum or minimum), where x and y are subject to constraints described by linear inequalities, this optimal value must occur at a corner point (vertex) of the feasible region.<br><strong>Theorem 2<\/strong>&nbsp;Let R be the feasible region for a LPP and let Z = ax + by be the objective function. If R is bounded, then the objective function Z has both a maximum and a minimum value on R and each of these occur at a corner point of R. If the feasible region R is unbounded, then a maximum or a minimum value of the objective function may or may not exist. However, if it exits, it must occur at a<br>corner point of R.<br><strong>12.1.11 Corner point method for solving a LPP<\/strong><br>The method comprises of the following steps :<br><strong>(1)<\/strong>&nbsp;Find the feasible region of the LPP and determine its corner points (vertices) either by inspection or by solving the two equations of the lines intersecting at that point.<br><strong>(2)<\/strong>&nbsp;Evaluate the objective function Z = ax + by at each corner point. Let M and m, respectively denote the largest and the smallest values of Z.<br><strong>(3) (i)<\/strong>&nbsp;When the feasible region is bounded, M and m are, respectively, the maximum and minimum values of Z.<br><strong>(ii)<\/strong>&nbsp;In case, the feasible region is unbounded.<br><strong>(a)<\/strong>&nbsp;M is the maximum value of Z, if the open half plane determined by ax + by &gt; M has no point in common with the feasible region. Otherwise, Z has no maximum value.<br><strong>(b)<\/strong>&nbsp;Similarly, m is the minimum of Z, if the open half plane determined by ax + by &lt; m has no point in common with the feasible region. Otherwise, Z has no minimum value.<br><strong>12.1.12 Multiple optimal points<\/strong>&nbsp;If two corner points of the feasible region are optimal solutions of the same type, i.e., both produce the same maximum or minimum, then any point on the line segment joining these two points is also an optimal solution of the same type.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Short Answer Type Questions (Solved Examples)<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063779481_68155fceec_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063782646_d410efd10a_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063789226_304aebfbd4_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49064010812_020bc8438c_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49064014717_5d9f4ef28d_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063290878_723796bf09_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49064022657_2ef233cc3f_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063298478_0128472ecc_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Long Answer Type Questions (Solved Examples)<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063302313_4186e46549_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063822611_46a58b9b84_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063310408_c519b255fd_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063830191_8a7ec5e2ce_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Objective Type Questions (Solved Examples)<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063838416_c9e909b645_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063327978_30ce346159_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063331818_f8589d3f75_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Short Answer Type Questions (Exercise)<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063338463_6ff36b6ee3_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063856056_402b6fcec2_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49064070747_b40106b72a_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063348293_3ab5e86b44_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063354058_0e2a2539a7_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063872181_b02e6059b3_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063876906_ab1032894f_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Long Answer Type Questions (Exercise)<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063882096_230a7eb5a2_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49064096347_97835f1a80_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Multiple Choice Questions<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063889541_6c8c888f3b_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063893011_be83acfa26_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063382158_33405c9878_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063900386_eda09b387f_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063389983_9e08f237ce_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063440258_31db7cbd11_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Fill In Blanks Type Questions<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49064169972_2a8e0ab141_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">True or False Statements Type Questions<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49064173122_2ae3c25eab_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Answers<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063467483_692c0c0a2b_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49064195347_2bd8ac63d2_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.indcareer.com\/schools\/wp-content\/uploads\/2024\/05\/49063986631_c1d09a5c3f_o.png\" alt=\"\"\/><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/www.indcareer.com\/schools\/ncert-exemplar-problems-solutions\/\" style=\"background-color:#f06d6d\" target=\"_blank\" rel=\"noreferrer noopener\">NCERT Exemplar Solutions<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/www.indcareer.com\/schools\/ncert-exemplar-class-12-Maths-important-questions\/\" style=\"background-color:#f06d6d\" target=\"_blank\" rel=\"noreferrer noopener\">NCERT Class 12 Exemplar Solutions<\/a><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>NCERT Exemplar Class 12 Maths Chapter 12: Linear Programming. NCERT Exemplar Solutions for Class 12 Maths Chapter 12 Linear Programming prepare students for their Class 12 exams thoroughly. Maths problems and solutions for the Class 12 pdf are provided here which are similar to the questions being asked in the previous year&#8217;s board. NCERT Exemplar [&hellip;]<\/p>\n","protected":false},"author":302,"featured_media":617952,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"newspack_featured_image_position":"","newspack_post_subtitle":"","newspack_article_summary_title":"Overview:","newspack_article_summary":"","newspack_hide_updated_date":false,"newspack_show_updated_date":false,"footnotes":""},"categories":[1411,25],"tags":[],"boards":[],"class_list":["post-617936","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-book-solutions","category-class-12","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>NCERT Exemplar for Class 12, Maths Chapter 12 - IndCareer Schools<\/title>\n<meta name=\"description\" content=\"NCERT Exemplar Class 12 Maths Chapter 12: Linear Programming | Browse all Class 12 Maths Chapters NCERT Exemplar books - IndCareer Schools\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.indcareer.com\/schools\/ncert-exemplar-class-12-maths-chapter-12-linear-programming\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NCERT Exemplar Class 12 Maths Chapter 12: Linear Programming\" \/>\n<meta property=\"og:description\" content=\"NCERT Exemplar Class 12 Maths Chapter 12: Linear Programming. 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