A. 0
B. 6
C. 64
D. 128
(1+ω)(1+ω2) )(1+ω3)(1+ω4)(1+ω5) (1+ω6)...(1+ω3n)=
(a+bω+cω2)/(c+aω+bω2)=
If (1 + cos θ + i sin θ)(1 + cos 2θ + i sin 2θ)=x+iy then y=
If sinA + sinB = l, cosA - cosB = m, then the value of cos(A - B) =
If x+iy= 1/1+ cos θ+ i sin θ, then 4x2=
If x2+x+1=0, then the value of (x+1/x)2+(x2+1/x2)2+...+(x27+1/x27)2 is
If (1+ cos θ+ i sin θ)(1+ cos 2θ+i sin2θ)= x+iy, then y=
If u+iv= 2+i/z+3, where z=x+iy, then the values of u, v are
In the Argand plane, the points represented by the complex number s 2-6i, 4-7i, 3-5i and 1-4i form
If ((1+i)x-2i)/(3+i)+((2-3i)y+i/3-i)=I, then (x,y)=