if 1 , w , w² are cube roots of unity show that (1 + w)² - (1 + w)³ + w² = 0.
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given (1+w)^2-(1+w)^3+w^2
we know that:
1+w+w^2=0. So,
(-w^2)^2 -(-w^2)^3 +w^2
+w^4+(-w^6)+w^2+
w+1+w^2=0 proved
we know that:
1+w+w^2=0. So,
(-w^2)^2 -(-w^2)^3 +w^2
+w^4+(-w^6)+w^2+
w+1+w^2=0 proved
noddychoudharyp6wms6:
if u have time? so could you please explain it on paper.......
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