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Limits Continuity And Differentiability

AP EAPCET 2025 - 22nd May Morning Shift

MCQ+1 / -02025

If $\mathop {\lim }\limits_{x \to 0} \frac{\cos 2 x-\cos 4 x}{1-\cos 2 x}=k$, then $\lim\limits_{x \rightarrow k} \frac{x^k-27}{x^{k+1}-81}=$

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