यदि $\mathop {\lim }\limits_{n \to \infty } \frac{1 - 10^n}{1 + 10^{n+1}} = \frac{-\alpha}{10}$ है,तो $\alpha$ का मान ज्ञात कीजिए।

  • A
    $0$
  • B
    $-1$
  • C
    $1$
  • D
    $2$

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