Let
a) With the standard componentwise operations show that V is not a vector space.
b) If addition and scalar multiplication are defined component wise only on the first two components and the third is always is 1, show that V is a vector space.
Let
a) With the standard componentwise operations show that V is not a vector space.
b) If addition and scalar multiplication are defined component wise only on the first two components and the third is always is 1, show that V is a vector space.