A) 1
B) -1
C) i
D) 0
Correct Answer: D
Solution :
\[{{\omega }^{2}}{{(1+\omega )}^{3}}-(1+{{\omega }^{2}})\omega ={{\omega }^{2}}{{(-{{\omega }^{2}})}^{3}}-\omega (-\omega )\] = \[-{{\omega }^{2}}+{{\omega }^{2}}=0\].You need to login to perform this action.
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