where f'(x) = gradient (or slope) of f(x) at x = x.

Prove that:
d/dx(x^2) = 2x

without using calculus.

perhaps youve heard the other word for this, slope?

http://mathforum.org/library/drmath/view/52871.html

Posted by Cheradenine on 2002-08-01 04:38:04