If are the cube roots of unity, then their product is _____.
0
-1
1
If is a complex cube root of unity, then the value of is _____.
1
-1
3
0
The value of is _____.
– 1
i
0
1
If then x = _____.
None of the above
The value of _____.
-1
-2
-3
-4
/
i if n is even, – i if n is odd
1 if n is even, – 1 if n is odd
1 if n is odd, – 1 if n is even
i if n is even, – 1 if n is odd
The value of is _____.
0
27
26
None of the above
The real part of is equal to _____.
1/4
1/2
tan (/2
1/1– cos (
The multiplication inverse of a number is the number itself, then its initial value is _____.
i
– 1
2
– i
If and then value of k equals _____.
2
4
6
1