X 2 1 y 3 2 z 1 4 July 8, 2019 16 32 64 128 X 2 1 y 3 1 z 4 /- k X 1 2 y 2 3 z 4 6 Lines x 2 1 y 3 1 z 4 /- k X 1 2 y 2 3 z 3 4 shortest distance The line x 2 1 y 3 2 z 4 0 is X 1 5 y 2 3 z 1 4 The angle between the lines x 1 2 y 3 2 z 4 /- 1 If x = 1/2 y 2/3 z = 1/4 verify that x yz=(x y + z)
