Consider \( a z^{2}+b z+c=0 \), where \( a, b, c \in R \) and \( 4 a cb^{2} \). If \( z_{1} \) a... VIDEO
Consider \( a z^{2}+b z+c=0 \), where \( a, b, c \in R \) and \( 4 a cb^{2} \). If \( z_{1} \) and \( z_{2} \) are the roots of the equation given above, then which of the following complex number is purely real?https://bit.ly/YTAI_PWAP https://www.pw.live
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