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XII BOARDS PREVIOUS YEAR-BOARD PAPER SOLUTIONS-All Questions
- Let ** be a binary operation, on the set of all-zero real numbers, giv...
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- If 2[3 4 5x]+[1y0 1]=[7 0 10 5], find (x-y)dot
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- If "sin"(sin^(-1)\ 1/5+cos^(-1)x)=1, then find the value of xdot
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- If |[2x,5],[ 8,x]|=|[6,-2],[ 7, 3]|, write the value of x
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- Solve the following matrix equation for x : ,[x1][1 0-2 0]-Odot
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- Evaluate : int0^3(dx)/(9+x^2)
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- Write the antidervative of (3sqrt(x)+1/(sqrt(x)))dot
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- If vec a and vec b are two unit vectors such that vec a+ vec b is a...
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- Find the projection of the vector hat i+3 hat j+7 hat k on the vector...
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- Show that the lines (x+1)/3=(y+3)/5=(z+5)/7 and (x-2)/1=(y-4)/3=(z-6)/...
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- Find the equations of the tangent and normal to the curve x=asin^3t...
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- Evaluate : int(pi/6)^(pi/3)(dx)/(1+sqrt(cotx))
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- Show that the semi-vertical angle of the cone of the maximum volume an...
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- Prove that cot^(-1)((sqrt(1+sin)+sqrt(1-sinx))/(1sqrt(1+sin)-sqrt(1...
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- Prove that 2tan^(-1)(1/5)+sec^(-1)((5sqrt(2))/7)+2tan^(-1)(1/8)=pi/4...
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- Prove that, for any three vectors vec a , vec b , vec c [ vec a+ v...
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- Vector vec a , vec b and vec c are such that vec a+ vec b+ vec c...
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- The sum of the perimeters of a circle and a square is k , where k is s...
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- Find the direction cosines of the line (x+2)/2=(2y-7)/6=(5-z)/6dot Als...
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- Solve for x: 2tan^(-1)(cosx)=tan^(-1)(2cos e cx)
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