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If f(x)=|x|^(3), then show that f''(x) e...

If `f(x)=|x|^(3)`, then show that `f''(x)` exists for all real x and find it.

Text Solution

Verified by Experts

The correct Answer is:
`f''(x)={:{(6x", if "xge0),(-6x", if "xlt0):}`
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