Grade 12th passAnalytical Geometry
If w is the complex cube root of unity then the value of (1+w^2)^3
If w is the complex cube root of unity then the value of (1+w^2)^3
1 Answer
Priyansh Gupta
we know 1+w +w^2 =0
Therefore 1+w^2 =-w
Substituting in the equation we get (-w)^3 which is equal to – (w)^3 = -1
since w^3 =1
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