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  • 12-11-2022
  • Mathematics
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Q48. If [tex]z=x+i y[/tex] and $\frac{2+5}{z-3}$ lies on the $y-$ axis of complex plane, where $z \neq 3$, then which of the following options is correct?
(a) $y=0$
(b) $x^2+y^2=4$
(c) $x^2+y^2=9$
(d) $x=0$

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