The solution to the quadratic equation is -0.62 and 1.62.
Quadratic formula
- x = [-b±√(b²-4ac)]/2a............. Equation 1
From the question,
Given equation:
Where:
Substitute these values into equation 1
- v = [-(-1)±√[(-1)²-(4×1×-1)]/(2×1)
- v = [1±√(1+4)]/2
- v = [1±√5]/2
Either,
- v = (1+√5)/2
- v = (1+2.236)/2
- v = 3.236/2
- v = 1.618 ≈ 1.62
or,
- v = (1-√5)/2
- v = (1-2.236)/2
- v = (-1.236)/2
- v = -0.618 ≈ -0.62
Hence, The solution to the quadratic equation is -0.62 and 1.62.
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