10) In a quadratic equation, a + B = -4 and aß = -1, then required equation is -
B) x2 + 4x -1 = 0
A) x2 - 4x -1 = 0
C) x2 + 4x +1 = 0
D) x2 - 4x +1 = 0
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Answer:
option (c) is correct.
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