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Simplify (frac{4}{x+1}-frac{3}{x-1})

Simplify (frac{4}{x+1}-frac{3}{x-1})

  • A.
    (frac{x+7}{x^2 – 1})
  • B.
    (frac{x-7}{x^2 + 1})
  • C.
    (frac{x-7}{x^2 – 1})
  • D.
    (frac{x-11}{x^2 – 1})
Correct Answer: Option C
Explanation

(frac{4}{x+1}-frac{3}{x-1} \

=frac{4x – 4 – 3x – 3}{(x+1)(x-1)}=frac{x-7}{x^2 – 1})

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