Question

 

Solution

Correct option is

4

             

Above represents an ellipse and distance between foci is

   

SIMILAR QUESTIONS

Q1

If z­1 and z2 are two nth roots of unity, then  is a multiple of

Q2
Q4

 

Q5
Q7
Q8

For any three numbers z1, z2, z3 if

                              

Q9

If the imaginary part of the expression be zero then locus of z is: