MCQ
$\int e^x(\cos x-\sin x) d x=$
  • A
    $e^x \sin x+k$
  • $e^x \cos x+k$
  • C
    $-e^x \sin x+k$
  • D
    $k-e^x \cos x$

Answer

Correct option: B.
$e^x \cos x+k$
B

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