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Question Number 32181 by rahul 19 last updated on 21/Mar/18

Intercept made by the circle   zz^− +a^− z+az^− +r=0 on the real axis on  complex plane is :−

$$\boldsymbol{{I}}{ntercept}\:{made}\:{by}\:{the}\:{circle}\: \\ $$$$\boldsymbol{{z}}\overset{−} {\boldsymbol{{z}}}+\overset{−} {\boldsymbol{{a}z}}+\boldsymbol{{a}}\overset{−} {\boldsymbol{{z}}}+\boldsymbol{{r}}=\mathrm{0}\:\boldsymbol{{o}}{n}\:{the}\:{real}\:{axis}\:{on} \\ $$$${complex}\:{plane}\:{is}\::− \\ $$

Commented by rahul 19 last updated on 21/Mar/18

ans. is (√((a+a^− )^2 − 4r.))

$${ans}.\:{is}\:\sqrt{\left({a}+\overset{−} {{a}}\right)^{\mathrm{2}} −\:\mathrm{4}{r}.} \\ $$

Answered by Tinkutara last updated on 21/Mar/18

Commented by rahul 19 last updated on 21/Mar/18

Thank you  !

$${Thank}\:{you}\:\:! \\ $$

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