XII BOARD PREVIOUS YEAR PAPER ENGLISH-BOARD PAPER SOLUTIONS-All Questions
- If 2tan^(-1)(costheta)=tan^(-1)(2cos e ctheta),(theta!=0) , then find ...
03:32
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- If tan^(-1)(1/(1+1. 2))+tan^(-1)(1/(1+2. 3))+.... +tan^(-1)(1/(1+n.(n+...
04:58
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- Evaluate : int(sin(x-a))/(sin(x+a))dx
02:07
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- Maximise z = 8x + 9y subject to the constraints given below : 2x+3...
08:08
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- Evaluate: inte^(2x)sin(3x+1)\ dx
07:03
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- In a parliament election, a political party hired a public relation...
04:53
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- Find whether the following function is differentiable at x = 1 and x...
12:20
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- If y=(x+sqrt(1+x^2))^n , then show that (1+x^2)(d^2y)/(dx^2)+x(dy)/(d...
04:45
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- Find the point on the curve 9y^2=x^3, where the normal to the curve ma...
06:28
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- Find the equation of a plane which passes through the point (3, 2, ...
06:44
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- The two vectors hat j+ hat k and 3 hat i- hat j+4 hat k represent t...
10:14
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- Evaluate : int(-pi/2)^(pi/2)(cosx)/(1+e^x)dx
04:47
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- Evaluate : int(x^2)/((x^2+4)(x^2+9))dx
06:33
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- Two numbers are selected at random (without replacement) from posit...
06:41
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- If A=[[2,-1],[-1, 2]] and I is the identity matrix of order 2, then ...
06:50
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- If A=[[1,-1],[ 2,-1]] and B=[[a,1],[b,-1]] and (A+B)^2=A^2+B^2, then f...
06:42
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- Three machinesE1, E2 and E3 in a certain factory producing electric...
09:43
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- A shopkeeper has 3 varieties of pens ‘A’, ‘B’ and ‘C’. Meenu purcha...
04:53
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- Using properties of determinants, show that ABC is isosceles if |(1,1,...
14:14
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- A trust invested some money in two type of bonds. The first bond pays...
08:15
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