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Mathematics 10 Online
OpenStudy (anonymous):

differentiate this equation.

OpenStudy (lgbasallote):

differentiate as in spot the difference?

OpenStudy (anonymous):

\[y=3x sinx^{3}\]

OpenStudy (anonymous):

no differentiate as in calculus

OpenStudy (anonymous):

I know to use F'(x)g'(x)+F(x)g'(x) but where does chainrule come in? in the sinx^3?

hartnn (hartnn):

yes

hartnn (hartnn):

F'(x)g(x)+F(x)g'(x)

OpenStudy (anonymous):

so do i do chainrule on that before i use product rule?

OpenStudy (anonymous):

No

hartnn (hartnn):

no after .....or should i say in same step...

OpenStudy (anonymous):

ok i see now, thanks man, ill post my answer in a bit

OpenStudy (anonymous):

here y'=3sin(x^3) +3x(3x^2)cos(x^3)= 3sin(x^3) +9x^3cos(x^3)

OpenStudy (anonymous):

lol, bloke u arnt supposed to provide the answer, only the method and steps to get there.

OpenStudy (anonymous):

y'=3sinx^3+9x^3cosx^3

hartnn (hartnn):

thats correct :)

OpenStudy (anonymous):

thanks man, i wasnt sure about the order of the two operations. Also didnt see that i needed chainrule ha ha.

hartnn (hartnn):

welcome :)

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