Question

if x=2+i√5, y=2-i√5find the value of(x2+xy+y2)/x2-xy+y2​

Answer 1

Step-by-step explanation:

x*2=4+i*2(✓5)+4√5,y*2=4+i*2√5-4√5

XY=4+5=9

x*2+y*2=8+2i*2√5=8+2(-1)√5=8-2√5

x*2+xy+y*2/x*2-xy+y*2=8-2√5+9/8-2√5-9

=17-2√5/-1-2√5