Let , where , and let and be non-zero complex numbers such that a + b + c = x a + bw…
MATHEMATICS · Subjective · IB Diploma Programme · Mathematics: Analysis and Approaches · Number and Algebra · Number and Algebra
Problem
Let w=eiπ/3, where i=−1, and let a,b,c,x,y, and z be non-zero complex numbers such that
a + b + c = x
a + bw + cw^2 = y
a + bw^2 + cw = z.
Find the value of ∣a∣2+∣b∣2+∣c∣2∣x∣2+∣y∣2+∣z∣2.