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The faces of 0

Algebra Level 4

$\LARGE 0^{i^{2k}}$

For imaginary unit $i$ , the expression above is a number if:

k

is an even number Only if

k

is a positive even number Only if

k=0

Only if

k

is a non-negative even number

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Excel in math and science

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by David Amato Mantegari

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