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[mathjax] Question 1 A से B के लिए पाँच रास्ते हैं और B से C के लिए तीन रास्ते हैं तो A से B होकर C के लिए कितने रास्ते हैं ? [There are 5 routes from A to B and 3 routes from B to C. Find how many...
[mathjax] निम्नलिखित असमिका निकाय को आलेखीय विधि से हल करे।[Solve the following system of inequations graphically] Question 1 x≥1 ,y≤4 Sol : दिये गए असमिका के संगत समीकरण x=1 , y=4 (0,0) पर असमिकाएँ...
[mathjax] निम्नलिखित असमिकाओ का हल xy-तल मे आलेख विधि से करे: Solve the following inequations graphically in xy-plane Question 1 x<-3 Sol : दिए गए असमिका के सगत समीकरण x=-3 (0,0) पर असमिका,...
[mathjax] Exercise 12.2 Solve the following inequations : Question 1 -2≤6x-1<2 Sol : On Adding 1 -2+1≤6x-1+1<2+1 -1≤6x<3 Dividing by 6 $-\frac{1}{6} \leq \frac{6 x}{6}<\frac{3}{6}$...
[mathjax] Exercise 12.1 Question 1 If x is a non-negative integer then solve 2-3x<5-4x Sol : Adding both sides 4x 2-3x+4x<5-4x+4x 2+x<5 Subtracting both sides 2 2+x-2<5-2 x<3 x={0,1,2}...
Exercise 11.1 Solve the following equations by factorization method Question 1 $2 x^{2}+3=0$ Sol : $2 x^{2}=-3$ $x^{2}=-\frac{3}{2}$ $x=\pm \sqrt{\frac{-3}{2}}=\pm \sqrt{\frac{3}{2}} i$ ALTERNATE...
[mathjax] Exercise 10.3 KC Sinha Solutions KC Sinha Class 11 Solutions
[mathjax] Exercise 10.2 KC Sinha Solutions KC Sinha Class 11 Solutions
[mathjax] Exercise 10.1 Question 1 Write the following as complex numbers (i) $\sqrt{-27}$ Sol : $=\sqrt{27} \mathrm{i}$ $=\sqrt{3 \times 3 \times 3} \mathrm{i}$ $=3 \sqrt{3} \mathrm{i}$ $=0+3...
[mathjax] Exercise 9.1 Question 1 $1+2+3+\ldots+n=\frac{n(n+1)}{2}$ Sol : STEP-1 Let P(n):$1+2+3+\ldots+n=\frac{n(n+1)}{2}$ putting n=1 L.H.S=n=1 R.H.S=$=\frac{n(n+1)}{2}=\frac{1(1+1)}{2}=\frac{1...
[mathjax] Exercise 8.1 KC Sinha Solutions KC Sinha Class 11 Solutions
[mathjax] Exercise 7.1 KC Sinha Solutions KC Sinha Class 11 Solutions