Question

x平方分之1+y平方分之1-x分之6-y分之8+25=0

Answer 1

x平方分之1+y平方分之1-x分之6-y分之8+25=0

1/x^2-6/x+9+(1/y^2-8/y+16)=0

(1/x-3)^2+(1/y-4)^2=0

1/x-3=0,1/y-4=0

1/x=3,1/y=4

x=1/3,y=1/4