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Solve

Q. $\underset{h\to 0}{\mathrm{lim}}\frac{{\left(a+h\right)}^{2}\mathrm{sin}\left(a+h\right)-{a}^{2}\mathrm{sin}a}{h}$

https://www.meritnation.com/ask-answer/question/lim-y-tends-to-0-a-h-2sin-a-h-a2sina-hsolve-the-li/limits-and-derivatives/7744227

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