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[" If "z=2-3i," then show that "z^(2)-4z...

[" If "z=2-3i," then show that "z^(2)-4z+13=0],[qquad " (March-2008) "]

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If z=2-3i , show that z^(2)-4z+13=0

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If z=2−3i then z ^2−4z+13=