Question

Same........
Chap 6!

Answer 1

http://prntscr.com/4uugkg

Answer 2

@amistre64

Answer 3

That's the position vector
So, where does the vector equation that we need to lies
and it says that that vector eqn is perpendicular to line r=i-j + t(i-2j)------------where does this line lies ?

Answer 4

@SithsAndGiggles

Answer 5

the vector form of a line is: (point ) + t(vector)