Question

if A=2i-3j+k and B= -3i-2i+k find their dot product​

Answer 1

Answer:

1

Explanation:

Dot product: (2i-3j+k) · (-3i-2i+k)

In dot product multiplication, you have to only multiply the vectors of same direction:

(2i-3j+k) · (-3i-2i+k)  =  -6 + 6 + 1 = 1

Note that in dot product multiplication, answer is always a scalar quantity like 1, 2 ,3.

Hope it helps!