- #1

anthonyk2013

- 125

- 0

^{2}+4x)

^{5}

Is the chain rule the right rule to use?

dy/dx=dy/du*du/dx

Let U=2x

^{2}+4x

du/dx=4x+4

y=(u)

^{5}→ dy/du=5(u)

^{4}

dy/dx=5(u)

^{4}*4x+4

dy/dx=5(2x

^{2}+4x)

^{4}*4x+4

dy/dx= 30(2x

^{2}+4x)

^{4}4x

dy/dx= 30(2x

^{2}16x)

^{4}

I'm wondering if I am on the right track?