If the roots of the equation -a-b-x- -2b-a-c-x - -b-c- - 0 are equal- then-A- 2b - a-c-B- b- - ac-C- b - 2ac- a-c-D- b - ac

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Nature of Roots

If the roots ...

Question

If the roots of the equation (a²+b²)x² -2b(a+c)x + (b²+c²) = 0 are equal, then A. 2b = a+c B. b² = ac C. b = 2ac/ a+c D. b = ac

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