The additive inveerse of -2 + 3 i is
2 + 3 i
-2 -3 i
2 - 3 i
-2 + 3 i
The conjugate of (6 + 5i)2 is
11 - 60 i
- 11 - 60 i
11 + 60 i
- 11 + 60 i
Express in the form b or bi, where b is a real number.
i
-i
2i
- 2i
The principal value of argument of 1 + i is
π/2
π/3
π/4
None of these
Z2
Z
Write 1 + i2 + i4 + i6 in the form x+ iy
0 + i
0+0i
1 + o.i
1 + i
2(√5 + √3)
√5 + √3
2(√5 - √3)
2(√5+√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
Simplify ( 1+ i ) -1
1 - i
7
7 i
-7
- 7i
