यदि ${I_n} = \int\limits_0^{\frac{\pi }{4}} {{{\tan }^n}x\,dx}$ है,तो $\mathop {\lim }\limits_{n \to \infty } \,n({I_n} + {I_{n - 2}})$ का मान ज्ञात कीजिए।

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

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मान लीजिए $I_1 = \int\limits_0^{\frac{\pi }{2}} {{e^{ - {x^2}}}\sin (x)dx} $,$I_2 = \int\limits_0^{\frac{\pi }{2}} {{e^{ - {x^2}}}dx} $,और $I_3 = \int\limits_0^{\frac{\pi }{2}} {{e^{ - {x^2}}}(1 + x)\,dx} $. निम्नलिखित कथनों पर विचार करें:
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