જો ${I_n} = \int\limits_0^{\frac{\pi }{4}} {{{\tan }^n}x\,dx}$ હોય,તો $\mathop {\lim }\limits_{n \to \infty } \,n({I_n} + {I_{n - 2}})$ ની કિંમત શોધો.

  • A
    $1/2$
  • B
    $1$
  • C
    $\infty$
  • D
    $0$

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