The multiplicative inverse of 2+2i is
1/2 - 1/2 i
1/4 - 1/4 i
1/2 - 1/4 i
1/4 - 1/2 i
Find the modulus of sin α - i cos α
sin2α
Cos2α
1
2
The conjugate of (6 + 5i)2 is
11 - 60 i
- 11 - 60 i
11 + 60 i
- 11 + 60 i
The values of x and y, if 2x + 4i y = -i3 x - y + 3 are
1/3, 4/3
4/3, 1/3
2/3, 1/3
1/3, 2/3
ω27 = _________
-1
ω
ω2
Write the conjigate of i3
- i3
-i
i
i2
Z2
Z
Write i19 in the form x+iy
1 + i
1 - i
O + i
O - i
5/i3 =
5/i
5i
5
-5
i is equal to
0
Greater than 0
Less than 0
None of the above three
