Question

A = 2i^ + 3j^
B = 3i^ + 4j^
A.B​

Answer 1

Explanation:

i.i=j.j=k.k=1

i.j=j.k=k.i=0

Answer 2

Answer:

18

Explanation:

dot product of vectors is the sum of prouct of co efficients of i and product of co efficients of j .