Question

show that if X and Y are Metric spaces with distances dx and dy then

Answer 1

\[D\left(\begin{matrix}x _{1}\\ y _{1}\end{matrix}\right);\left(\begin{matrix}x _{2} \\ y _{2}\end{matrix}\right)\]=max( \[d _{x}(x _{1};x _{2});d _{y}(y _{1},y _{2})\])

Answer 2

@saifoo.khan

Answer 3

is there a part missing from this question?

Answer 4

yes the brackets