Question

Derivative of (ax+b)^2

Answer 1

Where are you stuck?

Answer 2

well, derivative with respect to x, this is a chain rule

Answer 3

ok, go ahead

Answer 4

This is the derivative if you want.

Answer 5

Why did you get a as the first derivative of the first term? I'm always confuse about that.

Answer 6

Because we differentiate the (.....)^n and then differentiate what is in the (........)
So the differentiation of what in the (........) is (a)

Answer 7

I can't understand. I've got the same problem a while ago. Can you explain further? Like some examples? I'm sorry if I'm being pushy on this. This is the only part I can't understand and I've got loads of Practice problems with the same concept

Answer 8

\[\frac{ d }{ dx }(ax+b)^{2} = 2(ax+b)*\frac{ du }{ dx }\]

\[u = ax+b | \frac{ du }{ dx } = ? \]

Answer 9

Yes I've got that part

Answer 10

It's a.

Answer 11

thank you