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ben.tien
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Homework Statement
: Let f1,...fn be n functions having derivatives f'1...f'n. Develop a rule for differentiating the product g = f1***fn and prove it by mathematical induction. Show that for those points x, where none of the function values f1(x),...fn(x) are zero, we have g'(x)/g(x) = (f'1(x)/f1(x))+...(f'n(x))/(fn(x))Homework Equations
product rule: (f1*f2) = (f'1*f2 + f1*f'2)