Solved: Proof In Exercises 6772, use integration by parts to prove the formula. (For
Chapter 8, Problem 72(choose chapter or problem)
In Exercises 67-72, use integration by parts to prove the formula. (For Exercises 67-70, assume that \(n\) is a positive integer.)
\(\int e^{a x} \cos b x d x=\frac{e^{a x}(a \cos b x+b \sin b x)}{a^{2}+b^{2}}+C\)
Text Transcription:
n
int e^{ax} cos bx dx = e^{ax} (a cos bx + b sin bx) / a^2 + b^2 + C
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