diff --git a/source/linear-algebra/exercises/outcomes/EV/EV3/template.xml b/source/linear-algebra/exercises/outcomes/EV/EV3/template.xml index c75a325f3..2e1116ad8 100644 --- a/source/linear-algebra/exercises/outcomes/EV/EV3/template.xml +++ b/source/linear-algebra/exercises/outcomes/EV/EV3/template.xml @@ -82,7 +82,10 @@ Prove that R is a subspace.

-First show that R is closed under + First note that \vec{0} \in R, so the set is nonempty. +

+

+Next, show that R is closed under vector addition. Let {{v}}\in R so that {{R_eq}}, and let {{valt}}\in R so that {{R_eq_alt}}. Then use those assumptions to show