Puntual Convergence of $\frac{\sin(x^{2n})}{1+nx^n}$?I think that The Ap Domain is $\Bbb R \setminus \{ \pi/2 + k\pi\}$ but I am not sure how I can prove it
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Puntual Convergence of $\frac{\sin(x^{2n})}{1+nx^n}$?I think that The Ap Domain is $\Bbb R \setminus \{ \pi/2 + k\pi\}$ but I am not sure how I can prove it