Posted by **superdiver** on Tuesday, October 2, 2012 at 6:07am.

Using the chain rule... how can i differentiate this?

y=x(x-2)

- symbol ? -
**Damon**, Tuesday, October 2, 2012 at 6:13am
I do not know what a with an umlaut over it means.

- calculus -
**Steve**, Tuesday, October 2, 2012 at 10:23am
If I recall, this means √ (the dager of copy/paste from word processor screens)

If that is so, then

y = x√(x-1)

using the product rule, if

y = uv

y' = u'v + uv'

y' = (3x-2)/(2√(x-1))

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