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in Complex Numbers by (32.2k points)
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Is (1 + i14 + i18 + i22) a real number? Justify your answer.

1 Answer

+1 vote
by (32.0k points)
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Best answer

1 + i14 + i18 + i22

= 1 - 1 - 1 - 1 = -2,

which is a real number.

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