`1`
`-1`
`i`
`-i`
`0`
`4`
`6`
`10`
`2`
`3`
`4`
zero
`1`
`3omega`
`3 omega`
`0`
`z = 1 + i`
`|z | = 2`
`z =1 - i`
`|z | = 1`
`0`
`1/2`
`sqrt3/2`
`1`
one
two
three
Five
`i`
`-i`
`0`
`1`
Only 1
Only 2
Both 1 and 2
Neither 1 nor 2
`6`
`12`
`18`
`36`
`3`
`2`
`1`
`0`
1
`omega`
`omega^2`
`i omega ` , where ` i = sqrt (-1)`
`pi`
`pi/2`
`pi/3`
`pi/4`
`3`
`1`
`-1`
`-3`
Only `1`
Only `2`
Only `3`
None of these
` (3pi)/4`
`pi/4`
` (5pi)/6`
` - (3pi)/4`
`-1`
`0`
`1`
`2`
` (1 +i)/2`
` (1 - i)/2`
` (1 +i)/sqrt(2)`
None of these
`(x -1) (x - omega ) (x + omega^2 )`
`(x -1) (x - omega ) (x - omega^2 )`
`(x -1) (x + omega ) (x + omega^2 )`
`(x -1) (x + omega ) (x - omega^2 )`
`1`
`-1`
`i `
`-i`
`-cos 3x`
`-sin 3x`
`sin 3x`
`cos 3x`
`1 + 4 i`
`4 + i`
`1- i`
`-1- i`
centre `(- 3,- 1)` and radius `3`
centre `(- 3, 1)` and radius `3`
centre `(- 3,- 1)` and radius `4`
centre `(- 3, 1)` and radius `4`
`2`
`2i`
`-2i`
`i`
greater than the quotient of their moduli
less than the quotient of their moduli
less than or equal to the quotient of their moduli
equal to the quotient of their moduli
a circle
an ellipse
a hyperbola
a parabola
`1`
`1//6`
`6`
`2`
`2sqrt(3) + 2i`
`2sqrt(3) - 2i`
`- 2sqrt(3) + 2i`
`- sqrt(3) + i`
A pair of straight lines
A line
A set of four straight lines
A circle
`0`
`pi/4`
`- pi/4`
`pi/2`
`2 + i`
`2 - i`
`- 2 + i`
`- 3 - i`
`( ± (1 - i)/sqrt(2))`
`( ± (1 + i)/sqrt(2))`
`( ± (1 - i)/2)`
`( ± (1 + i)/2)`
`(5 pi)/4`
`- (5 pi)/4`
`(3 pi)/4`
None of these
Only I
Only II
Both I and II
Neither I nor II
`i`
`-i`
`0`
`i - 1`
`3`
`1//2`
`1`
None of these
`-8`
`0`
`4`
`8`
The real part of z is zero
The imaginary part of z is zero
The real part of z is equal to imaginary part of z
The sum of real and imaginary parts of z is z
`omega`
`-omega^2`
`-omega`
`0`
`0`
`-1`
`1`
`8`
`pi/2 - theta/2`
`pi/2 + theta/2`
`pi/4 - theta/2`
`pi/4 + theta/2`
`1`
`3`
`4`
`5`
`-1`
`0`
`1`
`4`
`-8`
`8`
`8i`
`-8i`
`± (1 + i)`
`± (1 - i)`
`± i`
`± 1`
`sec alpha`
`- sec alpha`
`sec^2 alpha`
`- sec^2 alpha`
`2 cos \ pi/5`
`2 sin \ pi/5`
`2 cos \ pi/(10)`
`2 sin \ pi/(10)`
`3/5`
`9/(25)`
`3/(25)`
`5/3`
`3^(27) omega`
`- 3^(27) omega^2`
`3^(27)`
`- 3^(27)`
`0`
`1`
`2`
`3`