Simplify [1 ÷ (x + 1)] - [2 ÷ (x - 1)] + [3 ÷ (x² - 1)]

A.

- 3x ÷ (x² - 1)

B.

- x ÷ (x² -1)

C.

x ÷ (x² - 1)

D.

(x + 1) ÷ (x² - 1)

E.

(x + 4) ÷ (x² - 1)

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Correct answer is B

No explanation has been provided for this answer.

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