If ω is an imaginary cube root of unity, then the value of. Image attached

Last Activity: 6 Years ago
Hi there. If you want to solve such questions fast replace value of n in ques and well as options .. here replace n=1. To get original statement as zero .. also by replacing n=1 in option A we are getting it zero.. Thats a trick or shortcut..
Last Activity: 6 Years ago
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