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XII BOARD PREVIOUS YEAR PAPER ENGLISH-BOARD PAPER SOLUTIONS-All Questions
- Prove that the curves "x"="y"^2 and "x y"="k" intersect at right ang...
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- Using properties of determinants, prove that following |(a+b+2c,a,b),(...
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- If |[x+2, 3],[x+5, 4]|=3 , find the value of x
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- Show that the points (1,0), (6,0), (0,0) are collinear.
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- If "f"("x")=sqrt((sec"x"-1)/(secx+1))" " find "f '"("x")dot Also fin...
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- If xsqrt(1+y)+ysqrt(1+x)=0, find ("dy")/("dx") . To prove (dy)/(dx)=...
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- Show that the semi vertical angle of a right circular cone of given ...
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- If the equation of a line "A B" is ("x"-3)/1=("y"+2)/(-2)=("z"-5)/4...
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- If "f"("x") is an invertible function, find the inverse of "f"("x")...
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- 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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