Question
$\int_{}^{} {(x + 3){{({x^2} + 6x + 10)}^9}\;dx} $=

Answer

a
(a)$\int_{}^{} {(x + 3){{({x^2} + 6x + 10)}^9}dx} $
$ = \frac{1}{2}\int_{}^{} {(2x + 6){{({x^2} + 6x + 10)}^2}dx} $
$ = \frac{1}{2}\frac{{{{({x^2} + 6x + 10)}^{10}}}}{{10}} + c$$ = \frac{1}{{20}}{({x^2} + 6x + 10)^{10}} + c$.

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