16.-Linear-Algebra-by-Kenneth-Hoffman · Problem 2.1.7
Vector Spaces
Mathematics — Linear Algebra · vector-space-axioms-check
Problem
Let V be the set of pairs (x,y) of real numbers and let F be the field of real numbers. Define
(x,y)+(x1,y1)=(x+x1,0)c(x,y)=(cx,0).
Is V, with these operations, a vector space?