If one root of the equation a²+bx+c=0 is three times the other, then b² : ac is" *
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ax2+bx+c=0let one root beα∴other root be 3αsum=α+3α=4α=−abproduct=3α2=acα2=3ac4α=−ab∴α=−4ab∴α2=16a2b2or3ac=16a2b216ac=3b2
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5/67 it's answer in unit form
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