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NDA Math Vector Algebra

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Consider the following for the next two (02) items that follow:

Let

\vec{a},\vec{b}

and

\vec{c}

be three vectors such that

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

and

|\vec{a}|=10,|\vec{b}|=6

and

|\vec{c}|=14

[NDA II 2016]

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Question : 63 of 101

Marks: +1, -0

\text{What is}\;\vec{a}\cdot\vec{b}+\vec{b}=\vec{c}+\vec{c}\cdot\vec{a}\;\text{equal to?}

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