The principal value of argument of 1 + i is
π/2
π/3
π/4
None of these
The reciprocal of 3 +i √7 i is
3/4 - √7/4 i
3 - √7 i
3/16 - √7/16 i
√7+3 i
If |z2 - 1| = |z|2 + 1, then z lies on
a circle
the imaginary axis
the real axis
an ellipse
is equal to __________
i
2 i
1 - i
2
z z¯= 0 iff
Re(z) = 0
Im(z) = 0
z = 0
The value of (i)243 is equal to _____________.
-i
-1
1
Determine x and y for which 2x + 3yi = 2+ 9i
x = 1, y = 3
x = 3, y = 1
x = 2, y = 1
x = 1, y = 2
If n is any integer,then (i)n is
1,-1
i,-i
1,-1,i,-i
Write i19 in the form x+iy
1 + i
1-i
0+i
0-i
