# math

posted by
**atif**
.

integral x/(x+5)^1/2

(u-5)/u^1/2 du giving

u^1/2 du -5u^-1/2 du

and integral will be now

2/3 u^3/2 -10u^1/2 +c

=2/3(x+5)^3/2 -10(x+5)^1/2 +c

=2/3(x+5)^1/2{(x+5) -30} +c

=2/3(x+5)^1/2{(x -25} +c

have i done something wrong??