Question

If n is a positive integer, then \[\frac{ 1 }{ 1+2\sqrt{n} }-\frac{ 1 }{ 1-2\sqrt{n} }\]=
A. \[\frac{ 4\sqrt{n} }{ 1-4n }\]
B. \[\frac{ -4\sqrt{n} }{ 1+4n }\]
C. \[\frac{ 4\sqrt{n} }{ 4n+1 }\]
D. \[\frac{ 4\sqrt{n} }{ 4n-1 }\]

Answer 1

what did you get?

Answer 2

Did you try to solve the question ?