perplexus.info :: Just Math : No calculus

No calculus (Posted on 2002-07-31)

Define:
d/dx(f(x)) = f'(x)

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

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

without using calculus.

See The Solution Submitted by Cheradenine

Rating: 3.2000 (10 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

OMG :'(

| Comment 24 of 26 |

*sobs* what grade is this problem supposed to be? *crys*

Posted by Irina on 2003-02-25 12:22:07

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