XII BOARDS PREVIOUS YEAR-BOARD PAPER SOLUTIONS-All Questions
- If x=sint and y=sinp t , prove that (1-x^2)(d^2y)/(dx^2)-x(dy)/(dx)+p^...
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- Differentiate tan^(-1)((sqrt(1+x^2)-1)/x) wrt sin ^(-1)((2x)/(1+x^2))d...
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- If A=(cosalpha-sinalpha0sinalphacosalpha0 0 0 1), find a d jdotA and v...
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- If a ,b and c are all non-zero and |[1+a,1, 1],[ 1,1+b,1],[1,1,1+c]|=0...
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- Find the values of a and b , if the function f defined by f(x)={x^...
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- A coaching institute of English (subject) conducts classes in two batc...
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- If 213(-1 0-1-1 1 0 0 1 1)(1 0-1)=A , then write the order of matrix A...
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- If A=(3 5 7 9) is written as A = P + Q, where P is a symmetric matrix ...
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- If |[x,si ntheta,costheta],[-si ntheta,-x,1],[costheta,1 ,x]|=8, writ...
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- If | vec ax vec b|^2+| vec adot vec b|^2=400 and | vec a|=5, then writ...
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- If vec a , vec b , vec c are unit vectors such that vec a+ vec b+ ve...
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- Write the equation of a plane which is at a distance of 5sqrt(3) units...
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- Using integration find the area of the region bounded by the curves y=...
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- If f,g:R->R be two functions defined as f(x)=|x|+x and g(x)=|x|-x. Fi...
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- In order to supplement daily diet, a person wishes to take X and Y ...
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- Bag A contains 3 red and 5 black balls, while bag B contains 4 red and...
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- Find the equation of the plane which contains the line of intersection...
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- Solve for x : tan^(-1)((x-2)/(x-1))+tan^(-1)((x+2)/(x+1))=pi/4
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- Prove that : cot^(-1)(sqrt(1+sinx)+sqrt(1-sinx))/(sqrt(1+sinx)-sqrt(1...
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- Evaluate: int((x^2+1)(x^2+4))/((x^2+3)(x^2-5))\ dx
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