The polar form of complex number is

Solution of √5 x^{2} + x √5 = 0 is

1 ± √19/5√5

-1 ± √19/2√5

-1 ± 5/2√5

None of these

If α and β are imaginary cube roots of unity then α^{4} + β^{4} + 1/αβ is equal to

3

0

1

2

The maximum value of |z| where z satisfies the condition |z + 2/z| = 2 is

√3 - 1

√3 + 1

√3

√2 + √3

The complex number z = x + iy which satisfy the equation

real axis

the line y = 5

a circle passing through the origin

None of the above

The value of ω^{28} + ω^{29} + 1 is

ω

ω^{2}

The roots for the equation a(x^{2} + 1) - (a^{2} + 1) x = 0 are

a and 1/a

a and 1/2a

a and 2a

a and -2a

If |z + 4| ≤ 3, then the greatest and the least value of |z + 1| are:

6, -6

6, 0

7, 2

0, -1

If n is any integer,then (i)^{n} is

i

1,-1

i,-i

1,-1,i,-i

PQ and PR are two infinite rays,QAR is an arc.The point lying in the shaded region excluding the boundary , satisfies.

|z - 1 | > 2 : |arg(z - 1) | < π/4

|z - 1 | > 2 : |arg(z - 1 ) | < π/2

|z - 1 | > 2 : |arg(z + 1) |

|z - 1 | > 2: |arg(z + 1) | < π/2