The number of 15th roots of unity which are also the 25th root of unity is: 3 (b) 5 (c) 10 (d) None of these

Product of 4^(th) roots of unity is

Find the number of common roots of 15^(th) roots of unity, which are also 25^(th) roots of unity .

The product of all n^(th) root of unity is always

For n>=3, the n roots of unity form

Which one of the following is correct in respect of the cube roots of unity?

A root of unity is a complex number that is a solution to the equation,z^(n)=1 for some positive integer nNumber of roots of unity that are also the roots of the equation z^(2)+az+b=0, for some integer a and b is

If the cube roots of unity are 1,ww^(2), then the roots of the equation (x-1)^(3)+8=0, are

Find the 10^(th) roots of unity and show that the product of any two of them is again one of the 10^th roots.