Physics, asked by rakhigupta5340, 6 months ago

If A = 2i + 3j + k and B =3i + 2j + 4k find the value of ( A+ B)*(A-B)

Answers

Answered by YASH3321

4

Answer:

a+b { 5i +5j+5k}

Explanation:

a-b{-1i+1j-3k

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