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If w(ne 1) is a cube root of unity and (...

If `w(ne 1)` is a cube root of unity and `(1+w^2)^n = (1+w^4)^n` then find the least positive integral value of n

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The correct Answer is:
`implies` n=…....-6,-3,0,3,6,…..
Least positive integral value of n is 3
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