Question

What is the discriminant D of the equation?

n2+2n−2=0



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D =

Answer 1

The answer is 12 nene

Answer 2

12

Explanation:

Hint: This should be n^2+2n−2=0. The coefficients are a = 1, b = 2 and c = -2.

The discriminant is b^2 - 4ac = 4 - 4(1)(-2) = 12