if then

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- July 17th 2011, 02:22 PMTheodorMunteanuTangents
if then

- July 17th 2011, 02:54 PMAlso sprach ZarathustraRe: Tangents
- July 17th 2011, 03:46 PMTheodorMunteanuRe: Tangents
Actually you're trying to prove a wrong exercise:

Correct it would have been: - July 17th 2011, 05:32 PMSorobanRe: Tangents
Hello, TheodorMunteanu!

Quote:

. . . . . . . .

. . . . . . .

Assume that the denominator is not zero.

A fraction equals zero if its numerator equals zero.

. .

Assume that the denominator is not zero.

A fraction equals zero if its numerator equals zero.

. . .

Therefore:

. .

- July 18th 2011, 11:37 AMTheodorMunteanuRe: Tangents
Yeah well as you can see I've corrected my previous post 2 hours earlier.