Exercises
[105]Let \(X\) be a normed vector space with norm \(\| β \| \). Show that the sum operation \('+':XΓ Xβ X\) is continuous.
[105]Let \(X\) be a normed vector space with norm \(\| β \| \). Show that the sum operation \('+':XΓ Xβ X\) is continuous.