Question

u = -4i + 1j and v = 4i + 1j; Find ||u + v||

Answer Choices-

A. Square root of 34

B. 8

C. 5

D. 2

Answer 1

your first job is to add
then it will be more or less obvious

Answer 2

Is it 2? I'm moderately sure it's 2.

Answer 3

yup

Answer 4

Thanks so much!