please solveeeeeeeee
Attachments:
Answers
Answered by
0
Step-by-step explanation:
x=3+2√2/(3-2√2)(3+2√2)
=3+2√2/9-8=3+2√2
y=3-2√2/(3+2√2)(3-2√2)=3-2√2
x+y=3+2√2+3-2√2=6
xy=(3+2√2)(3-2√2)=9-8=1
x^2+y^2=(x+y)^2-2xy
=36-2=34
Similar questions