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UNITED BOOK HOUSE-MCQ-EXERCISE
- If v is the variance and sigmais the standard diveation then
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- A and B be two mutually exclusive events such that P(A)=3/8,P(B)=1/3,t...
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- Define power set of a set A. Find the power set.of A = {{1}, [2, 3}}.
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- If A ={1, 2, 3, 4, 5} and B = {1, 2, 3, 7, 8, 9},find the value of n{(...
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- If f(x)=e^(x+a),g(x)=x^(b^2) and h(x)=e^(b^2x),show that (g[f(x)])/(h(...
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- Prove that tan (pi/12)tan((5pi)/12)tan ((7pi)/12)tan((11pi)/12)=1
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- Prove that tan62^@=2tan34^@+tan28^@
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- If cosalpha+cosbeta=1/3and sinalpha+sinbeta=1/4,show that tan ((alpha+...
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- 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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