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XII BOARDS PREVIOUS YEAR-BOARD PAPER SOLUTIONS-All Questions
- If "f"("x")=sqrt((sec"x"-1)/(sec+1))" " find "f '"("x")dot Also f...
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- If xsqrt(1+y)+ysqrt(1+x)=0, find ("dy")/("dx") . To prove (dy)/(dx)=...
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- Find the maximum are of the isosceles triangle inscribed in the ell...
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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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- Form the differential equation representing the parabolas having ve...
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- Solve the following differential equation: (3"x y"+"y"^2)"dx"+("x"^...
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- If int("e"^("a x")+"b x")"dx"=4"e"^(4"x")+(3"x"^2)/2"\ ","\ " find the...
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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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- Find the distance of the point (-2,3,-4) from the line ("x"+2)/3=(2"...
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- Evaluate: int0^pi(xtanx)/(secx+tanx)\ dxdot
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- Find the area of that part of the circle "x"^2+"\ y"^2=16 which is ...
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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....
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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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