let and

,then which of the following is correct

(A)

(B)

(C)

(D)

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- Aug 31st 2010, 07:07 AMgrgrsanjaypre calculus involving limits only
let and

,then which of the following is correct

(A)

(B)

(C)

(D) - Aug 31st 2010, 08:22 AMArchie Meade
contains a "sum of squares" in the numerator.

contains the difference between a "sum of cubes" and a "sum of squares" in the numerator.

When you express those sums in "closed form", you can evaluate the limits.

You will find the correct answer is one of the 4 listed. - Sep 1st 2010, 06:20 AMgrgrsanjayQuote:

Originally Posted by**Soroban**

yea i could follow it

it was very easy but i dint use the logic properly

thank you sorobon