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What is the next term of following series: 5+7i, 7+14i, 11+55i, 19+110i, 35+121i, ??

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What is the next term of following series: 5+7i, 7+14i, 11+55i, 19+110i, 35+121i, ??
posted May 30, 2017 by anonymous

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1 Answer

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Real part : 5 7 11 19 35
Digestive differences 2 4 8 16 32
i.e Stating from 2 , previous * 2
So next = 35+32 = 67

Imaginary part:
Previous * 2
= 121*2
= 242

So next term = 67+242i

answer Mar 13 by Varun Bankapur
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