3. Simplify 2a + 2 / a^2 – 1 A) 2 / a – 1 B) 2a + 2 / a^2 – 1 C) -2 D) a + 1 / a

asked Nov 3, 2017 57.4k views

2 votes

3. Simplify 2a + 2 / a^2 – 1

A) 2 / a – 1
B) 2a + 2 / a^2 – 1
C) -2
D) a + 1 / a – 1

by Hzwzw

8.1k points

Please log in or register to add a comment.

5 votes

(2a + 2) / (a^2 – 1)
(2(a +1)) / (a^2 - 1)
(2(a + 1)) / (a^2 - 1^2)
(2(a + 1)) / ((a + 1)(a - 1))
2 / a - 1

The answer is: 2/a - 1.

Medoix answered Nov 8, 2017

8.3k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers