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UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 6-EXERCISE
- Show that the points A(1,2,3) ,B(-1,-2,-1) ,C(2,3,2) and D(4,7,6) are ...
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- If 2f(x).+ 3f(-x) = x^2-x+1, find the value of f(1).
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- Evaluate:lim(xrarr0)(e^(x^2)-cosx)/x^2
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- Three Coins are tossed: What is the probability of getting at least on...
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- If mean = 10, coefficient of variation = 50%, find the standard deviat...
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- In three sets, A,B, C, show that (A cap B)' = A' cup B'.
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- If tantheta=(tanalpha+tanbeta)/(1+tanalphatanbeta),then show thatsin2t...
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- In any/\ABC, show that ‘c sin (A-B)/2=(a-b)cos(C/2)
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- Show that by mathematical induction, 3.5^(2n+1) + 2^(3n+1) is divisibl...
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- Ifx+iy=3/(2+costheta+i sintheta)then show that x^2 + y^2 = 4x - 3.
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- The sum of an infinite G.P series is 15 and the sum of the squares of ...
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- How many different arrangements be' possible in’EXAMINATION where two ...
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- A ray of light comming from (1, 2) to the x axis at A and reflecting w...
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- The co-ordinate of the two verties of a trainge are (15, 0) and (0 ,10...
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- Find the equation of the concentric- cricle of the circle x^2 + y^2 — ...
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- The distance between the point on x axis and (3, 2, —4) is m unit.Find...
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- Prove that,lim(nrarrprop)(1^3+2^3+3^3+....+n^3)/n^4=1/4
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- If y=(xsinx+cosx)/(xcosx-sinx),then show that dy/dx=x^2/(xcosx-sinx)^2
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- If n is a such real number that n>3 .then n^2>9 prove it by the method...
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- The mean and SD of 20 items were found to be 12.5 and 2.1 resp.After ...
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