If x > 7, which of the following is equal to (x^2 + 2x + 1)/(x^2 - 1) ? Choose one:
A) (x + 4)/(4(x - 4))	B) (x - 4)/(x + 4)	C) (x - 2)/(x + 4)	D) (x + 1)/(x - 1)	E) (x - 8)/(x - 4)
(x^2 + 2x + 1)/(x^2 - 1)   = (x + 1)(x + 1) / (x + 1)(x - 1)   =(x + 1)/(x - 1)   D. (x + 1)/(x - 1)
<result>D</result>
If x > 7, which of the following is equal to (x^2 + 2x + 1)/(x^2 - 1) ?