can some one tel me how do i go about solving this question
Let m be a positive fixed interger and l be an integer that is not divisible by m
1 + w^l + w^2l + .... + w^(m-1)l = 0
all the w's have subscript "m".
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Originally Posted by flaming
1 + w^l + w^2l + .... + w^(m-1)l = 0 I assume that
Then, since .
Now use geometric sum, .
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