Question

Find the specified vector or scalar.

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

B. 8
C. 5
D. 2

Answer 1

A. is square root of 34

Answer 2

First, can you right the vector(u+v) ?

Answer 3

im not sure what you mean

Answer 4

-4i+4i=0i
1j+1j+2j

So,

vector(u+v) = 0i + 2j

Answer 5

And then the magnitude of the vector u+v is:

\(||u+v||=\sqrt{0^2+2^2}=?\)

Answer 6

which would be 2?

Answer 7

Yes, the magnitude of u+v is 2.

Answer 8

(And this is scalar)

Answer 9

thank you!

Answer 10

yw

Answer 11

can you help me with another one? Ill start a thread and tag you