defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Complex Numbers Roots of Unity
If z is a complex number, then the number of common roots of the equation z1985 + z100 + 1 = 0 and z3 + 2z2 + 2z + 1 = 0, is equal to:
1
1
2
2
3
0
4
3