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`        (i+under root 3)whole to the power100  +(i -under root 3)whole to the power 100 + 2 whole to the power 100=????`
7 years ago

85 Points
```										Dear Gurpreet,

w = (-1 + sqrt.3 i)/2   or w = (-1 - sqrt.3 i)/2
i2 = -1
so, w = i (i + sqrt.3 )/2 and w = i (i - sqrt.3 )/2
put value of w = (i + sqrt.3 ) and w = (i - sqrt.3 ) in given quest. and use w3 = 1 and i2 = -1 to solve the problem.

All the best.
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Anil Pannikar
IIT Bombay
```
7 years ago
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