integral substitution not by u-sub ∫ 1 ( x 2 + 4 x + 9...

Salvador Bush

Salvador Bush

Answered

2022-07-03

integral substitution not by u-sub
1 ( x 2 + 4 x + 9 ) d x

Answer & Explanation

potamanixv

potamanixv

Expert

2022-07-04Added 15 answers

1 ( x 2 + 4 x + 9 ) d x = 1 ( x + 2 ) 2 + 5 d x
The trig substitution
( x + 2 ) = 5 tan ( t )
would do.

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