Z2
Z
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
7
7 i
-7
- 7i
Find the modulus of sin α - i cos α
sin2α
Cos2α
1
2
Find the value of x and y if 2x + ( 3 x + y) i = 4 + 10 i
x = 4, y = 2
x = 2, y = 4
x = 4, y = 3
x = 3, y = 2
Find the conjugate of √-1 -3
√-1 + 3
√-1 -3
i - 3
-i -3
7/5
-7/5
-7/15
7/15
Write the conjigate of i3
- i3
-i
i
i2
The additive inveerse of -2 + 3 i is
2 + 3 i
-2 -3 i
2 - 3 i
-2 + 3 i
The multiplicative inverse of
1 + 1/2 i
