(a)
\The integration function is
.
The denominator has two distinct linear factors.
\The decomposition of the integration function is
.
(b)
\The integration function is
.

The denominator has two distinct linear factors.
\
The decomposition of the integration function is
.
(a)
\The decomposition of the integration function is
.
(b)
\The decomposition of the integration function is
\
.