Q9 of 64 Page 10

Write the derivative of f(x) = |x|3 at x = 0.

Given that f(x) = |x|3 where



LHD at x =0,




RHD at x =0,




Also, f(0) = 0


⇒ LHD at (x = 0) = RHD (at x = 0) = f(0)


⇒ f’(0)= 0


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