MCQ
$\int e^x\left(x^3+3 x^2\right) d x=$
  • A
    $3 x^2 e^x+k$
  • B
    $x^2 e^x+k$
  • $x^3 e^x+k$
  • D
    $3 e^x \cdot x^3+k$

Answer

Correct option: C.
$x^3 e^x+k$
C

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