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If `a ,b ,c in R` `a n d` `a b c<0` , then equation `b c x^2+(2b+c-a)x+a=0` `h a s` (a). both positive roots (b). both negative roots (c). real roots (d) one positive and one negative root

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CENGAGE PUBLICATION-COMPLEX NUMBERS AND QUADRATIC EQUATIONS-All Questions
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