Question

If A = 21+3jand B = 2j+ 3k find Ā- B

Answer 1

Answer:

So A-B=(-k+j)

Explanation:

Given that

A=2K+3j

and

B=2j+3k

question is

and A-B

=2k+3j-(2j+3k)

=2k+3j-2j-3k

=(-k+j)

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