Question Number 32181 by rahul 19 last updated on 21/Mar/18
$$\boldsymbol{{I}}{ntercept}\:{made}\:{by}\:{the}\:{circle}\: \\ $$$$\boldsymbol{{z}}\overset{−} {\boldsymbol{{z}}}+\overset{−} {\boldsymbol{{a}z}}+\boldsymbol{{a}}\overset{−} {\boldsymbol{{z}}}+\boldsymbol{{r}}=\mathrm{0}\:\boldsymbol{{o}}{n}\:{the}\:{real}\:{axis}\:{on} \\ $$$${complex}\:{plane}\:{is}\::− \\ $$
Commented by rahul 19 last updated on 21/Mar/18
$${ans}.\:{is}\:\sqrt{\left({a}+\overset{−} {{a}}\right)^{\mathrm{2}} −\:\mathrm{4}{r}.} \\ $$
Answered by Tinkutara last updated on 21/Mar/18
Commented by rahul 19 last updated on 21/Mar/18
$${Thank}\:{you}\:\:! \\ $$