If function f(x) is differentiable at x=a then

Question:

If function $f(x)$ is differentiable at $x=a$ then $\lim _{x \rightarrow a} \frac{x^{2} f(a)-a^{2} f(x)}{x-a}$

  1. $2 a f(a)+a^{2} f^{\prime}(a)$

  2. $-\mathrm{a}^{2} \mathrm{f}^{\prime}$ (a)

  3. $a f(a)-a^{2} f^{\prime}(a)$

  4. $2 a f(a)-a^{2} f^{\prime}(a)$

Correct Option: , 4

Solution:

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