What is the mean absolute deviation (MAD) of the set [10, 15, 18, 8, 4]
1 answer:
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Answer:
For x^2 + 5x - 14 = 0
x1= -7, x2 = 2
For x^2 + 5x + 6 = 0
x1 = -3, x2 = -2
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