Question

Which of the following is equal to (1/a+a)^2 - (1/a-a)^2 ?

A) 0
B) 4
C) 1/a^2 - a^2
D) 2/a^2 - 2a^2
E) 1/a^2 - 4-a^2

Answer 1

I think its b

Explanation:

I tried doing the work and got 4 so I hope its b

Answer 2

B

Explanation: