Question
यदि $f(x)=\left\{\begin{array}{c}\frac{x^3-a^3}{x-a}, \\ x \neq a \\ b\end{array}, x=a\right.$ a $x=a$ पर सतत फलन है,
तब $b=$ ………………... I
तब $b=$ ………………... I
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