are each of these an identity? show how... #1 #2 #3
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Originally Posted by adam456006 are each of these an identity? show how... #1 #2 #3 1. Use the difference of two squares: so that's an identity
I was working with # 2 and I don't think it is an identity, but I'm not sure....
Hello, adam456006! Are each of these an identity? Get a common denominator and subtract . . . . . It is an identity. We have: . It is not an identity. Get a common denominator and add . . . . . . . It is an identity.
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