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Derivatives of Quotients
The rules for working with differentials of products and quotients are the same, in form, as the rules for working with derivatives of products and quotients. That is,
d(u/v)=(v duâu dv)/v2 and d(uâ v)=u dv+v du.
Use this result to calculate the differential of f(x)=e2xln(x).
Products and Quotients of Complex Numbers: Write and in polar form and find the products and quotients and