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UNITED BOOK HOUSE-MCQ-EXERCISE
- Show that 1/(sin10^@)-sqrt3/(cos10^@)=4
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- Show that secalpha-tanalpha=cot(pi/4+alpha/2)
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- Solve :3sin^2x+7cos^2x=6
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- In triangleABC angleB=60^(@), c=2sqrt(3), b =3sqrt(2) then find angle...
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- If (2^(2n)-1)is divisible by 3, then show that [2^(2(n+1))-1]is also d...
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- Simplify : (1+i)^(-2)-(1-i)^(-2)
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- Find a quadratic equation with rational co-efficient whose one root is...
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- State fundamental theorem of algebra
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- If ^9P5 + 5. ^9P4 = ^I0Pr, find r.
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- If ^nC4=21xx^(n//2)C3find n.
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- Find the middle term (or terms) in the following expansions: (iii) (...
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- The sum to n terms of an A.P. is n^(2). Find the common difference.
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- If the slope of the line joining the points (2k,-2) and (1,-k) be (-2)...
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- Find the equation to the circle whose parametric equations are, x = ...
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- Find the equation- of the porabola whose co-ordinates of the vertex an...
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- Find the the co-ordinates of the point on the ellipse x^2 + 2y^2 =4 wh...
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- Show that the eccentricities of the two hyperbolas x^2/16-y^2/9=1and x...
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- Find the co-ordinates of the point of trisection of the line segment j...
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- show that lim(nrarr0)(root(3)(n+1)-1)/n=1/3
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- If f(x)=x|x|,prove that f'(x)=2|x|.
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