A+B A=3i+4j-k B=5i+6j+2k

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WiseOlMan asked Sep 1, 2023

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30 votes

A+B A=3i+4j-k B=5i+6j+2k

Physics
college

WiseOlMan asked Sep 1, 2023

by WiseOlMan

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1 Answer

21 votes

$\text{Given that,}\\\\\vec A =3 \hat i + 4 \hat j - \hat k ~ \text{and}~ \vec B = 5\hat i + 6 \hat j +2 \hat k \\ \\\text{Now,}\\\\\vec A + \vec B = 3 \hat i +4 \hat j - \hat k + 5 \hat i + 6 \hat j + 2 \hat k\\\\~~~~~~~~~~=8 \hat i +10 \hat i + \hat k$