Math, asked by dbaa2004jana, 7 months ago

3/t A=2i +3j +k and B = 3 +21 +4k, then

find the value of (A + B)*(A-B).

(Ans. - 20 î + 10 j + 10 k)

Answers

Answered by akshara156

1

Answer:

yes,the answer is correct

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