Quote:
Originally Posted by fadeer well I know for sure that the line can not be tangent at x=0 |
Yeah, the codition a>0 says that, but

, therefore

0. Mr. Fantastic understands better than I. I'm like you. I'd like to know what's going on here.
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"Then thou carriedst thine ashes into the mountains:
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Thus Spake Zarathustra
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If you would like to know how the quadratic formula was derived, visit my post entitled:
Deriving the Quadratic Formula.