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MediumDifferentiation rules

Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §4.4 Inverses of Trigonometric Functions, #24 · Calculus · Differentiation rules

Compute the derivatives (using the letters as given).

$z = (1 + x^{2}) tan^{- 1} x$

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §4.4 Inverses of Trigonometric Functions, #24

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