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  •  is a vector on adding which to <img alt="\vec{a}" src="https://learn.careers360.com/latex-image/?%5Cvec%7Ba%

\vec{b} is a vector on adding which to \vec{a}, \vec{a} remains unchanged, then \vec{b} equals

Option: 1

-\vec{a}


Option: 2

\vec{a}


Option: 3

\vec{0}


Option: 4

2\vec{a}


Answers (1)

best_answer

As we learned

laws of vector addition -

\vec{a}+\vec{0}= \vec{a}=\vec{0}+\vec{a}

-

 

\Rightarrow \vec{b}=\vec{0}

\therefore option (C)

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mansi

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