Let \( \Delta=\left|\begin{array}{ccc}-b c & b^{2}+b c & c^{2}+b c \\ a^{2}+a c & -a c & c^{2}+a... VIDEO
Let \( \Delta=\left|\begin{array}{ccc}-b c & b^{2}+b c & c^{2}+b c \\ a^{2}+a c & -a c & c^{2}+a c \\ a^{2}+a b & b^{2}+a b & -a b\end{array}\right| \) and the equation \( p x^{3}+q x^{2}+r x+s=0 \) has roots \( a, b, c \), where \( a, b, c \in R^{+} \). The value of \( \Delta \) ishttps://bit.ly/YTAI_PWAP https://www.pw.live
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