Attachment 25387

I'm not sure how the numerator became 12x^3/2 -1

- Oct 24th 2012, 09:10 AMkingsolomonsgravecan someone explain this step (from implicit differentiation question)
Attachment 25387

I'm not sure how the numerator became 12x^3/2 -1 - Oct 24th 2012, 09:40 AMSorobanRe: can someone explain this step (from implicit differentiation question)
Hello, kingsolomonsgrave!

Quote:

We have: .

Multiply by

- Oct 24th 2012, 09:47 AMkingsolomonsgraveRe: can someone explain this step (from implicit differentiation question)
thanks! we know to choose 2x^1/2/2x^1/2 because that will make the 1/2x^-1/2 equal to 1?