Identify the "inside function" $u = f ( x )$ and the "outside function" $y = g ( u )$. Then find $d y / d x$ using the Chain Rule.
$$y = \sqrt { x ^ { 2 } - 2 }$$

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The Answer of Identify the "inside function" $u = f ( x )$ and the "outside function" $y = g ( u )$. Then find $d y / d x$ using the Chain Rule.
$$y = \sqrt { x ^ { 2 } - 2 }$$

Identify the "Inside Function u=f(x)u = f ( x )u=f(x) And the "Outside Function

Identify the "Inside Function $u = f ( x )$ And the "Outside Function