Proof that:

without the use of substitution

Thx

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- Jun 16th 2011, 07:52 AMnormalguyproof that sqrt(ab-ac)=a sqrt(b-c)
Proof that:

without the use of substitution

Thx - Jun 16th 2011, 07:56 AMProve ItRe: proof that sqrt(ab-ac)=a sqrt(b-c)
It doesn't.

, not . - Jun 16th 2011, 08:15 AMHallsofIvyRe: proof that sqrt(ab-ac)=a sqrt(b-c)
As Prove It said, you

**can't**prove that- it's not true.

Did you mean ?

(assuming that a is non-negative)

I'm not sure what you mean by "without the use of substitution"- I see nothing to substitute there- but

( if a is non-negative. if a is negative.) - Jun 16th 2011, 08:41 AMProve ItRe: proof that sqrt(ab-ac)=a sqrt(b-c)