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प्रश्न
Simplify the following and express in the form a + ib:
(2i3)2
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उत्तर
(2i3)2 = 4i6
= 4(i2)3
= 4(– 1)3 ...[∵ i2 = – 1]
= – 4
= – 4 + 0i
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