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Question

The expression 34i5+3i is equivalent to

A
2729i34
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B
2729i16
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C
329i34
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D
18
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E
158i
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Solution

The correct option is C 329i34
Given, 34i5+3i
Multiply and divide it with 53i, we get
34i5+3i×53i53i
=(34i)(53i)52(3i)2
=329i34

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