Question

Abar=4i^+2j^-5k^ Bbar=6i^-3j^+4k^ Abar.Bbar=?​

Answer 1

Answer:

24i-6j^-20k^

Explanation:

only ×ing Vector a into b

such as

4i^×6i =24i^=i^

2j^×-3j^=-6j^=j^

-5k^×4k^=-20k^

×ing i into i

×ing j into j

×ing k into k

and last add all then you will get the product vector