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[mathjax] Question 1 दी गई परिभाषाओ के आधार पर निम्नलिखित प्रत्येक अनुक्रम के प्रथम तीन पद बताइए: [Write the first three terms of the sequences defined by the following] (i) t n =3n+1 Sol : n-1,2,3...
[mathjax] Exercise 14.5 KC Sinha Solutions KC Sinha Class 11 Solutions
[mathjax] Exercise 14.4 KC Sinha Solutions KC Sinha Class 11 Solutions
[mathjax] Exercise 14.3 KC Sinha Solutions KC Sinha Class 11 Solutions
[mathjax] Exercise 14.2 KC Sinha Solutions KC Sinha Class 11 Solutions
[mathjax] Exercise 14.1 KC Sinha Solutions KC Sinha Class 11 Solutions
[mathjax] Type-I सूत्रों के सीधे प्रयोग पर आधारित प्रश्न: Question 1 यदि n C 9 = n C 8 , तो n C 17 ज्ञात कीजिए । Sol : [यदि n C x = n C y ,हो, तो n=x+y होगा] n C 9 = n C 8 ∴ n=9+8=17 n C 17 = 17 C 17...
[mathjax] Question 1 कितने तरीकों से 5 व्यक्ति एक टेबुल के चारों ओर बैठ सकते है ? [In how many ways can 5 men sit around a table] Sol : 5 व्यक्तियों को एक टेबुल के चारों ओर बैठाने का तरीका=(5-1)! =4!...
[mathjax] Question 1 4 विभिन्न पुस्तकों मे प्रत्येक की 3 प्रतियाँ है । कितने तरीको से इन्हें एक आलमारी मे सजाया जा सकता है ? Sol : कुल पुस्तकों की संख्या=4×3=12 12 पुस्तकों को एक आलमारी मे सजाने का...
[mathjax] क्रमचयो की संख्या पर आधारित प्रश्न जब कुछ चीजे एक साथ रखनी हो: 1.जिन चीजो को एक साथ रखना हो उन्हे एक चीज मीन ले (एक बंडल की तरह) तथा इस प्रकार से प्राप्त कुल चीजो को सजा ले। 2.फिर जिन चीजो...
[mathjax] Exercise 13.3 Question 1 (i) If $^n{\mathrm{P}_{4}}=12 \times ^{n} \mathrm{P}_{2}$ , find n Sol : $^{n} P_{4}=12 \times \!^nP_2$ $\dfrac{^n{P_{4}}}{^n{P_{2}}}=12$ [$^n...
[mathjax] Exercise 13.2 Question 1 निम्नलिखित का परिकलन कीजिए [Evaluate the following :] (i) 7! Sol : =7×6×5×4×3×2×1 =5040 (ii) 5! Sol : (iii) 8! Sol : (iv) 8!-5! Sol : =8×7×6×5×4×3×2×1-5×4×3×2×1...