જો $M=\int_0^{\infty} \frac{\log t}{1+t^3} d t$ અને $N=\int_{-\infty}^{\infty} \frac{t e^{2 t}}{1+e^{3 t}} d t$ હોય,તો

  • A
    $N=2 M$
  • B
    $N=M$
  • C
    $N=3 M$
  • D
    $N=-M$

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