Question

va rog mult ajutati-ma coronita
Aflati x,y |R
care -\frac{-1+2i}supra 3-i=x+yi

Answer 1

(-1+2i)/3-i=(-1+2i)(3+i)/(9-i²)=(-3-i+6i+2i²)/10=(-5+5i)/10=-5/10+5i/10=-1/2+1/2i
Cum (-1+2i)/(3-i)=x+yi, -1/2+1/2i=x+yi. Deci x=-1/2 si y=1/2.