(700, #5) Find a
b for a = 2i + 3j -4k, b = i - 3j +k .
Solution:
< 2,3,-4 >
< 1,-3,1 > = 2 -9 -4 = -11
by: gm
< 1,-3,1 > = 2 -9 -4 = -11
b for a = 2i + 3j -4k, b = i - 3j +k .
< 1,-3,1 > = 2 -9 -4 = -11