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10 September, 07:37

Simplify 2a + 2 / a^2 - 1

A) 2 / a - 1

B) 2a + 2 / a^2 - 1

C) - 2

D) a + 1 / a - 1

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Answers (1)
  1. 10 September, 10:24
    0
    Ok so the fraction can be rewritten as 2 (a+1) / (a+1) (a-1) so u cancel the (a+1) and you get 2/a-1 which is (A)
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