यदि $\int {\frac{{\left( {2x + 3} \right)dx}}{{x\left( {x + 1} \right)\left( {x + 2} \right)\left( {x + 3} \right) + 1}}} = C - \frac{1}{{f(x)}}$ जहाँ $f(x)$,$ax^2 + bx + c$ के रूप में है,तो $(a + b + c)$ का मान ज्ञात कीजिए।

  • A
    $4$
  • B
    $5$
  • C
    $6$
  • D
    कोई नहीं

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