Prove the differentiation formula. dx Let y = sech (x), then, in exponential terms, y = 11 [sech(x)] = -sech(x) tanh(x) Taking the derivative, in exponential terms, gives the following. dy dx 11 -2 = -sech(x) tanh(x) + e-x ex + e-x X

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A: The function is given by gx = ex5-2x Formula Used: The chain rule of the derivative is ddxfgx =…

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A: The given functions are

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A: y =xx+22x+13x+2

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A: