A. i
B. –i
C. 1
D. -1
(1-ω+ω2)(1-ω2+ω4) (1-ω4+ω8) (1-ω8+ω16)=
If z= (λ+3)+i√(5-λ2), then the locus of z is a circle with centre at
If x= -5+4i then x4+9x3+35x2-x+4=
The modulus of (3-4i)(4+5i) is
Express (3-2i/ 5+4i)+ (3+2i/ 5-4i) in the form of a+ib
(1-i)(1+2i)(1-3i)=
(3+5ω+3ω2)6=
The conjugate of (1+2i) (2-3i) is
If x=-5+4i then x4+9x3+35x2-x+4=