Question

If  is an imaginary cube root of unity, than value of the expression.

Solution

Correct option is

rth term of the given expression is

                                               

SIMILAR QUESTIONS

Q1
Q2

an ellipse, then a lies in

Q3

If  is real and Then triangle with vertices 0, z­1 and z2 is

Q5

Reflection of the line in the real axis is

Q7

If A(z1), B(z2) and C(z3) are the vertices of a triangle such that 

Q9

then area of the triangle whose vertices are z1, z2, zis

Q10