Question

Demonstrate the triangle inequality using the vectors u and v. u = <2,1> v = <5,4>

Answer 1

i spose we should put these at the origin to do this?

Answer 2

OK

Answer 3

take vector w= v-u as the third side

Answer 4

and then find the values of |u|, |v|, |w|

Answer 5

and then show that |u| + |v| > |w| and so on

Answer 6

for all three pairs

Answer 7

TY