Simplify (frac{4}{a-3}-frac{1}{a+3})
-
A.
(frac{3a+11}{(a-3)(a-2)}) -
B.
(frac{3a+11}{(a+3)(a-2)}) -
C.
(frac{3a+11}{(a+3)(a+2)}) -
D.
(frac{3a+11}{(a-3)(a+2)})
Correct Answer: Option D
Explanation
(frac{4}{a-3}-frac{1}{a+3}\
= frac{4(a+2)-1(a-3)}{(a-3)(a+2)}\
=frac{3a+11}{(a-3)(a+2)}
)