Find the derivative of the function

Using the formula for the derivative of arctangent and the chain rule we have

This is valid for .

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Stumbling Robot

A Fraction of a Dot
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Find the derivative of *x*^{1/2} – arctan (x^{1/2})

Find the derivative of the function

Using the formula for the derivative of arctangent and the chain rule we have

This is valid for .