$\int \frac{1}{x^2}(2 x+1)^3 d x$ का मान ज्ञात कीजिए।

  • A
    $4 x^2+12 x+6 \log |x|-\frac{1}{x}+C$
  • B
    $4 x^2+12 x-6 \log |x|-\frac{2}{x}+C$
  • C
    $2 x^2+8 x+3 \log |x|-\frac{2}{x}+C$
  • D
    $8 x^2+6 x+6 \log |x|+\frac{2}{x}+C$

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