Question

Find the quantity if v = 5i - 7j and w = 3i + 2j.

1.) ||v|| + ||w||


2.) ||v|| - ||w||

Answer 1

\[||v||= \sqrt{5^2+(-7)^2}\] do the same with w then add them or subtract them

Answer 2

so for 1) it wold be Sqrt74 + Sqrt13? thats the answer?

Answer 3

yup