let and ,then which of the following is correct (A) (B) (C) (D)
Last edited by grgrsanjay; Aug 31st 2010 at 06:30 AM.
Follow Math Help Forum on Facebook and Google+
Originally Posted by grgrsanjay let and ,then which of the following is correct (A) (B) (C) (D) 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.
Originally Posted by Soroban Hello, grgrsanjay! Archie Meade gave you an excellent game plan . . . Could you follow it? We are expected to know these summation formulas: . . . . . . In [1], we have: . . . Hence: . In [2], we have: . Hence: . The correct answer is yea i could follow it it was very easy but i dint use the logic properly thank you sorobon
View Tag Cloud