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If the equation x^2(a^2+b^2)-2b(a-c)x+b^2+c^2=0 has equal roots ,then A.2b=acB.b^2=acC.b=2ac/(a+c)D.b=ac

Answer» If the equation x^2(a^2+b^2)-2b(a-c)x+b^2+c^2=0 has equal roots ,then
A.2b=ac
B.b^2=ac
C.b=2ac/(a+c)
D.b=ac


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