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Let I Arg((z-8i)/(z+6))=pmpi/2 II: Re...

Let I `Arg((z-8i)/(z+6))=pmpi/2`
II: Re `((z-8i)/(z+6))=0`
Show that locus of z in I or II lies on `x^2+y^2+6^x – 8^y=0` Hence show that locus of z can also be represented by `(z-8i)/(z+6)+(bar(z)-8i)/(barz+6)=0` Further if locus of z is expressed as |z + 3 – 4i| = R, then find R.

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