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mathcalculus
 one year ago
Best ResponseYou've already chosen the best response.0i don't understand why we leave 7x^3 alone and not find the derivative

TheDoctorRules
 one year ago
Best ResponseYou've already chosen the best response.0Use the quotient rule for derivatives \[(v*du/dx u*dv/dx)/v^2\]

mathcalculus
 one year ago
Best ResponseYou've already chosen the best response.0can we use the sum and difference rule?

lmarl
 one year ago
Best ResponseYou've already chosen the best response.0no, if you are taking the derivative of the form f(x)/g(x) you have to use the quotient rule: (f(x)*g'(x)g(x)*f'(x))/(g(x))^2 in Newton's notation or as TheDoctorRules showed in Leibniz's notation
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