Solution: Derivative of x squared and derivative of x+x+...+x, x times - Art Of Mathematics

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Derivative of x squared and derivative of x+x+...+x, x times

Solution

We can differentiate a function only if the function is continuous, when we write x²=x+x+…+x, x times it is not a continuous function. Thus, x+x+…+x, x times should not be differentiated.

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