Re: Combining inequalities

Re: Combining inequalities

Re: Combining inequalities

Re: Combining inequalities

Re: Combining inequalities

Re: Combining inequalities

Re: Combining inequalities

Quote:

Originally Posted by

**ILikeSerena** "Every non-negative real number x has a unique non-negative square root,

Right, and a unique non-positive square root.

Quote:

I'm not aware of any convention where it is possible that

.

Neither do I. :)

Re: Combining inequalities

Quote:

Originally Posted by

**FernandoRevilla** (i)

I suppose that depends upon one's mathematics education community.

In North America we stress that , if defined.

That includes the GMAT test.