If 
is an imaginary cube root of unity, 
is a positive integer but not a multiple of 3, then the value of 
is
a)
3
b)
c)
0
d)
If is an imaginary cube root of unity, is a positive integer but not a multiple of 3, then the value of is
a)
3
b)
c)
0
d)
Question ID - 103186 | SaraNextGen Top Answer
If is an imaginary cube root of unity, is a positive integer but not a multiple of 3, then the value of is
a)
3
b)
c)
0
d)
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If |
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a) |
3 |
b) |
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c) |
0 |
d) |
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1 Answer
127 votes
Answer Key / Explanation : (c) -
(c)
Since, 
is not a multiple of 3, therefore
, where 
is a positive integer.
For 
,
Similarly, for 
127 votes
Answer Link
127