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10 questions from this quiz
Imaginary solutions
z∗=a−biz^* = a - biz∗=a−bi
Complex roots come in pairs
A real number
3−4i3 - 4i3−4i
In conjugate pairs
An even number
x2−(α+β)x+αβ=0x^2 - (\alpha + \beta)x + \alpha\beta = 0x2−(α+β)x+αβ=0
2+5i2 + 5i2+5i
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