Question

Given parametric equations, how can we determine if two lines are perpendicular?

Answer 1

dot product of their slope is 0

Answer 2

Thanks you! And by slopes do you mean r'(t)?

Answer 3

x= 2t + 3
y= 3t+2
z= 2 +3

slope of that line is <2,3,2>

Answer 4

z=2t+3 ** should be