Tuesday, October 20, 2009

Extraneous Roots and More Identities

Well yesterday I was understanding almost everything that we were taught, but today I can kind of confused. I think all I have to do is somewhat memorize all of the identities and then it will help me with my work.

We were taught today that an extraneous root is a root that works on paper until it is checked and proved otherwise either through squaring or by other raised powers.

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