Let \( \alpha, \beta \in \mathbf{R}, \beta \neq 0 \) and \( \alpha+... VIDEO
Let \( \alpha, \beta \in \mathbf{R}, \beta \neq 0 \) and \( \alpha+i \beta \) be a root of \( x^{3}+q x+r=0 \) where \( q, r \in \mathbf{R} \). A cubic equation with real coefficients one of whose roots is \( \alpha \), ishttps://bit.ly/YTAI_PWAP https://www.pw.live/
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