Simplify (frac{1}{1-x} + frac{2}{1+x})
-
A.
(frac{x+3}{1-x^2}) -
B.
(frac{x-3}{1+x^2}) -
C.
(frac{3-x}{1-x^2}) -
D.
(frac{3-x}{1+x^2})
Correct Answer: Option C
Explanation
(frac{1}{1-x} + frac{2}{1+x}\
frac{1+x+2-2x}{(1-x)(1+x)} = (frac{3-x}{1-x^2}))