Z2
Z
Write 1 + i2 + i4 + i6 in the form x+ iy
0 + i
0+0i
1 + o.i
1 + i
Express in the form b or bi, where b is a real number.
i
-i
2i
- 2i
Simplify ( 1+ i ) -1
1 - i
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
The additive inveerse of -2 + 3 i is
2 + 3 i
-2 -3 i
2 - 3 i
-2 + 3 i
If 2x + (3x + y)i = 4 + 10i, then the value of x and y are
2, 3
2, 4
4, 2
3, 2
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 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