Complex Numbers - Modulus, Argument, and Operations on Complex Numbers

Complex Numbers - Modulus, Argument, and Operations on Complex Numbers

\({z={{\left( 2+3\mathbf{i} \right)}^{4n+2}}+{{\left( 3-2\mathbf{i} \right)}^{4n+2}}}\), \({n\in \mathbb{N}}\)

Show clearly that \({z=0}\) for all \({n\in \mathbb{N}}\).

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