Calculus
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Find the point(s) on the graph where the tangent line is horizontal...
50. Extend the product rule for differentiation to the following case involving the product of three differentiable functions...
Find derivative...
(Please see attached.)
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This solution provides all the steps to solve the given calculus problems
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** Please see the attached file for the complete solution response **
By quotient rule, f'(x) = [(x^2 + 1) - x(2x)] / (x^2 + 1)^2 = (1 - x^2) / (x^2 + 1)^2
For tangent line to be horizontal, f'(x) = ...
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