JEE MATHEMATICS MCQ: INDEFINITE INTEGRATION

1 Easy

1 of 1

Understanding +4 | -1

\int e^{a x} \cos b x d x

is equal to

View answer and explanation

Correct option: A

Real part of

\int e^{(a+b i) x} d x

Option A (Real part of

\int e^{(a+b i) x} d x

) is correct because Euler's formula allows us to express

\cos bx

as the real part of

e^{ibx}

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