The sequence a1, a2, a3, ..., an,…...is such that a_n = 1...

Free Practice Question

PS · Problem Solving

705-805

Sequences

The sequence a1, a2, a3, ..., an,…...is such that

a_n = \frac{1}{n^2} - \frac{1}{(n-1)^2}

for all integers

n \geq 2

and

a_1 = 1

. Which of the following could be the sum of sequence if the number of terms in the sequence is a prime number?

Get detailed analytics, unlock full explanations, and move up difficulty tiers as you practice.

Explanation

Create a free account to reveal the correct answer, see the step-by-step explanation, and start tracking your GMAT progress.

Comments

Be the first to share your thoughts and help others understand it better.

Details

Difficulty

705-805

Type