- #1
solakis1
- 422
- 0
Given A>0, find a B>0 such that :
for all x,y,a,b : if 0<x<1,0<y<1,0<a<1,0<b<1,and |x-a|<B,|y-b|<B,then \(\displaystyle |x^2y-a^2b|<A\)
for all x,y,a,b : if 0<x<1,0<y<1,0<a<1,0<b<1,and |x-a|<B,|y-b|<B,then \(\displaystyle |x^2y-a^2b|<A\)