Q43Multiple correct1 Mark10 Jul 2022

A norm on $V$ satisfies triangle inequality, scalar homogeneity, and positive-definiteness. Consider $\| (x_1,x_2,x_3)\|=|x_1+x_2+x_3|$ on $\mathbb{R}^3$. Which conditions are satisfied?

A

Condition 1 is satisfied.

B

Condition 2 is satisfied.

C

Condition 3 is satisfied.

D

None of these conditions are satisfied.