given U= (5, 8, -3) and V= (7, 6, -6), find an ordered triple that represents 3U-2V

Question

PLEASE HELP!

Answer 1

U = (5, 8, -3)

3U = 3(5, 8, -3)

3U = (15, 40, -15

 

V = (7, 6, -6)

2V = 2(7, 6, -6)

2V = (14, 12, -12)

 

3U - 2V = (15, 40, -15) - (14, 12, -12)

3U - 2V = (1, 28, -3)