A. 4+i, 2-3i
B. 4-3i, -2+i
C. 4-i, -2-i
D. none
In the Argand plane, the points represented by the complex numbers 2-i,-4+3i and -3-2i form
(a+2b)2+(aω+2bω2)2+(aω2+2bω)2=
The multiplicative inverse of (4+3i) is
The complex numbers sin x+ i cos 2x- i sin 2x are conjugate to each other for
The modules of (3+2i)(2-i)/ (1+i) is