a, b, c are real numbers. The quadratic equation ax2 – bx + c = 0 has equal roots, which is β, then

a, b, c are real numbers. The quadratic equation ax2 – bx + c = 0 ha

1.	a, b, c are real numbers. The quadratic equation ax2 – bx + c = 0 has equal roots, which is β, then
A.	β = b/a
B.	β2 = ac
C.	β3 = bc/(2a2)
D.	b2 ≠ 4ac
Answer» D. b2 ≠ 4ac

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a, b, c are real numbers. The quadratic equation ax2 – bx + c = 0 has equal roots, which is β, then

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