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If the roots of the equation (a²+b²)x² -2b(a+c)x + (b²+c²) = 0 are equal, thenA. 2b = a+cB. b² = acC. b = 2ac/ a+cD. b = ac

Answer» 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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