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XII BOARD PREVIOUS YEAR PAPER ENGLISH-BOARD PAPER SOLUTIONS-All Questions
- If [[(x+3y),y],[7-x,4]]=[(4,-1),(0,1)], find the values of x and y.
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- Solve for x: tan^-1((1-x)/(1+x))=1/2 tan^-1 x, x > 0
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- Evaluate: int("x"+cos6"x")/(3"x"^2+sin6"x")" dx"
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- If int("e"^("a x")+"bx")"dx"=1/4"e"^(4"x")+(3"x"^2)/2" find the values...
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- A and B throw a pair of die turn by turn. The first to throw 9 is a...
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- Find the equation of the line passing through the point "P"(4,6,2) ...
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- Evaluate: int0^pi(xtanx)/(secx+tanx)\ dx
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- Find the area of that part of the circle "x"^2+" y"^2=16 which is ex...
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- A man is known to speak truth 3 out of 4 times. He throws a die and...
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- An aeroplane can carry a maximum of 200 passengers. A profit of Rs. 80...
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- Prove that tan(pi/4+1/2 cos^-1(a/b))+tan(pi/4-1/2 cos^-1(a/b))=(2b)/a
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- Solve for x: - tan^(-1)("x"+1)+tan^(-1)("x"-1)=tan^(-1) (8/31)
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- Let A=[(3,2,5),(4,1,3),(0,6,7)] Express A as sum of two matrices such ...
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- Solve the following differential equation: cos^2\ x(dy)/(dx)+y=tan\ x
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- Prove the following: tan^(-1)\ 1/3+tan^(-1)\ 1/5+tan^(-1)\ \ 1/7+tan...
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- For what value lambda are the vectors vec a=2 hat i+\ lambda hat j...
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- Evaluate: int0^pi(xsinx)/(1+cos^2x)\ dx
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- Find the equation of tangent to the curve x=sin3t , y=cos2t\ \ at t=p...
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- Differentiate the following with respect to x\ :tan^(-1)\ ((sqrt(1+x)\...
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- For what value of k is the following function continuous at x=2? f(...
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