If 
be the roots of 
then the number of equation(s) whose roots are 
and 
is
a)
1
b)
2
c)
3
d)
6
If be the roots of then the number of equation(s) whose roots are and is
a)
1
b)
2
c)
3
d)
6
Question ID - 103179 | SaraNextGen Top Answer
If be the roots of then the number of equation(s) whose roots are and is
a)
1
b)
2
c)
3
d)
6
|
If |
|||||||
|
a) |
1 |
b) |
2 |
c) |
3 |
d) |
6 |
1 Answer
127 votes
Answer Key / Explanation : (a) -
(a)
We have,
, where 
is a complex cube root of unity
Let 
and 
Then,
The equation whose roots are 
and 
is
For other combinations of 
and 
we obtain the same equation. Hence, there is only one equation
127 votes
Answer Link
127