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Show that (i)" "{((3+2i))/((2-3i))+((3...

Show that
`(i)" "{((3+2i))/((2-3i))+((3-2i))/((2+3i))}` is purely real,
`(ii)" "{((sqrt(7)+i sqrt(3)))/((sqrt(7)-i sqrt(3)))+((sqrt(7)- i sqrt(3)))/((sqrt(7) + i sqrt(3)))}` is purely real.

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