MCQ
$\int\left(4 e^{3 x}+1\right) d x=$
  • A
    $4 e^{3 x}+k$
  • $\frac{4}{3} e^{3 x}+x+k$
  • C
    $12 e^{3 x}+x+k$
  • D
    $12 e^{3 x}+k$

Answer

Correct option: B.
$\frac{4}{3} e^{3 x}+x+k$
B

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