a, b, c are real numbers. The quadratic equation ax2 − bx + c = 0 has equal…
GATE · 2020 · AE · General Aptitude
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
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