Thread: Third derivative

I need to find the third derivative of 16 squareroot x at 4

I've gotten to the first derivative which I think equals 16/2 square root x?
I used product rule to get this and I'm assuming that I need to keep using product rule and not chain rule?

Thanks

Originally Posted by johnf124

I need to find the third derivative of 16 squareroot x at 4

I've gotten to the first derivative which I think equals 16/2 square root x?
I used product rule to get this and I'm assuming that I need to keep using product rule and not chain rule?

Thanks

power rule the whole way ...