Question

What vector to 4i-j+2k and 2i+j-k
will give a unit vector along x-axis

Answer 1

is that 'what vector perpendicular to...'?

Answer 2

Idk, it must be misprint then , i too didn't get the question

Answer 3

if perpendicular or anything was given it could have been solved

Answer 4

Maybe what vector added to 4i-j+2k and 2i+j-k will give a unit vector along x-axis is what they mean?

Answer 5

Yes @Kainui the answer is then matching

Answer 6

-5i-k

Answer 7

Awesome. =)

Answer 8

:)

Answer 9

I don't deserve a medal for that, I didn't solve the problem, I solved a problem with the problem lol.