ધારો કે $n \geq 2$ માટે $f(x) = \frac{x}{(1+x^n)^{1/n}}$ અને $g(x) = \underbrace{(f \circ f \circ \ldots \circ f)}_{n \text{ વખત }}(x)$ છે. તો $\int x^{n-2} g(x) \, dx$ ની કિંમત શોધો.

  • A
    $\frac{1}{n(n-1)}(1+n x^n)^{1-\frac{1}{n}} + K$
  • B
    $\frac{1}{n-1}(1+n x^n)^{1-\frac{1}{n}} + K$
  • C
    $\frac{1}{n(n+1)}(1+n x^n)^{1+\frac{1}{n}} + K$
  • D
    $\frac{1}{n+1}(1+n x^n)^{1+\frac{1}{n}} + K$

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