Question

Find the specified vector or scalar.

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

A. square root of 34.

B. 8

C. 2

D. 5

Answer 1

2

Answer 2

need explanation?

Answer 3

u+v = 2j
and ||u+v|| = \[\sqrt{a ^{2} + b^{2}}\]
so ||u+v|| = square root of 2^2 = 2
I got the answer myself already, but your approval made me sure of my answer, so Thank You very much!!!

Answer 4

good luck :)