Question

vector a = i^ ,vector b =j^+k^. find the value of vectors a*b​

Answer 1

Answer:

0

Explanation:

a = i^

b = j^ + k^

a*b = (i^ * j^) + (i^ * k^)

      = |i^||j^|cos 90 + |i^||k^|cos 90        

      =  0                      {cos 90 = 0}