ધારો કે $f: \mathbb{R} \rightarrow \mathbb{R}$ એક વિધેય છે જેથી $\lim _{x \rightarrow \infty} f(x)=M > 0$. તો નીચેનામાંથી કયું ખોટું છે?

  • A
    $\lim _{x \rightarrow \infty} x \sin \left(\frac{1}{x}\right) f(x)=M$
  • B
    $\lim _{x \rightarrow \infty} \sin (f(x))=\sin M$
  • C
    $\lim _{x \rightarrow \infty} x \sin \left(e^{-x}\right) f(x)=M$
  • D
    $\lim _{x \rightarrow \infty} \frac{\sin x}{x} f(x)=0$

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