यदि $\frac{x^2+1}{x^3+3x^2+3x+2}$ का आंशिक भिन्न अपघटन $\frac{A}{x+2} + \frac{Bx+C}{x^2+x+1}$ है,तो $A-B+C$ का मान ज्ञात कीजिए।

  • A
    $0$
  • B
    $2$
  • C
    $3$
  • D
    $4$

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