Question

If ab = -1 and a + b = -4 for a quadratic equation, then required equation is
1)x² - 4x -1 = 0
2)x² + 4x - 1 = 0
3)x²+ 4x + 1 = 0
4)x² - 4x + 1 = 0​

Answer 1

Answer:

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