If \( \alpha, \beta, \gamma, \delta \) are the roots of the equation \( x^{4}+A x^{3}+B x^{2}+C ... VIDEO
If \( \alpha, \beta, \gamma, \delta \) are the roots of the equation \( x^{4}+A x^{3}+B x^{2}+C x+D=0 \) such that \( \alpha \beta=\gamma \delta=k \) and \( A, B, C, D \) are the roots of \( x^{4}-2 x^{3}+4 x^{2}+6 x-21=0 \) such that \( A+B=0 \).https://bit.ly/YTAI_PWAP https://www.pw.live
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