# Math Help - hi

1. ## hi

(s+b)^2/(s+a)^2

do yo know how to do this in partial fraction please.

2. Originally Posted by hashem11
(s+b)^2/(s+a)^2

do yo know how to do this in partial fraction please.
$
\frac{(s+b)^2}{(s+a)^2} = \frac{(s+a+b-a)^2}{(s+a)^2} = \frac{(s+a)^2 + 2(s+a)(b-a) + (b-a)^2}{(s+a)^2}=\;$
$\;1+ \frac{2(b-a)}{s+a} + \frac{(b-a)^2}{(s+a)^2}
$