Suppose, for j = 1, 2,... ,n, that fj are real functions continuously differentiable on the interval
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g(x) := f1(x1) ∙ ∙ ∙ fn(xn)
is differentiable on the cube (-1, 1) × (-1, 1) × ∙ ∙ ∙ × (-1, 1).
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Let V denote the open cube 1 1 1 1 Clea...View the full answer
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