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b= root4ac express a interms of b and c

Guest Oct 24, 2017
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We have \(b=\sqrt{4ac}\)

Square both sides, \(b^2=4ac\)

Divide both sides by \(4c\) to get \(a={b^2\over4c}\) wink

Mathhemathh  Oct 24, 2017

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