Find the variance of 1, 2, 3, 4....

Find the variance of 1, 2, 3, 4.

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UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 4-EXERCISE

Evaluate:lim(xrarr0)sinx/x
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Find the condition for the existance of lim(xrarr0)f(x)
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Find the variance of 1, 2, 3, 4.
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There are four letters and four envelops with proper address. Find the...
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For any three sets A, B, C. prove that A xx (B cup C)=" (A xx B) cup(A...
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If cos alpha = k cos beta Show that tan ((alpha+beta)/2)=(1-k)/(1+k)co...
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Solve : sectheta-1=(sqrt2-1)tantheta
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Prove by mathematical induction.1/1.3+1/3.5+1/5.7+....+1/((2n-1)(2n+1)...
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How many different arragements of the letters of the word ALGEBRA can ...
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If the sum of the n term of an AP is n^2 + 2n . which, term will ...
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If z=x+iy and (z-i)/(z+1)is purely imaginary,then show that the point ...
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The equation of the two adjacent sides of a parallelogram are 4x+ 5y =...
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In a rectangle, the co-ordinates of the end point of a diagonal are (2...
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If the straight line dx + cy = cd is perpendicular the line joining th...
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Find the equation of a circle which passes through (0, -3) and (3, -4)...
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Evaluate:lim(xrarr0)(sqrt(1+x^2)-sqrt(1+x))/(sqrt(1+x^3)-sqrt(1+x))
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If f(x)=x|x|,prove that f'(x)=2|x|.
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‘If x is a whole number and x^2 is even, then x is also an even number...
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‘If a and b are two odd integer, then (a + b) is an even intege.”—exam...
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One cord is drawn at random a pack of 52 c’ards..Find the probability ...
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