Hi everybody, E={(x;y;z) / x=y=2z} I must show that and (x;y;z) and (x';y';z') from E: (x;y;z)+ (x';y';z') E and .(x;y;z) E. Can you help me please???

Follow Math Help Forum on Facebook and Google+

Originally Posted by bhitroofen01 Hi everybody, E={(x;y;z) / x=y=2z} I must show that and (x;y;z) and (x';y';z') from E: (x;y;z)+ (x';y';z') E and .(x;y;z) E. Can you help me please??? Take some , then you get that: . Now let . Now let

OK. And how to show that (E;+;.) is a vector space, it's clear that (E;+) is an abelian group but i don't know how to continue???

View Tag Cloud