Question: In Exercises, find a formula for d/dx f(g (x)), where f (x) is a function such that f(x) = 1/(x 2 + 1). g(x) =

In Exercises, find a formula for d/dx f(g (x)), where f (x) is a function such that f′(x) = 1/(x2 + 1).

g(x) = x2 + 1

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