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UPSC NDA I 2026 Mathematics Paper

For the next two (02) items that follow:

Let

\vec{a}, \vec{b}, \vec{c}, \vec{a}+\vec{b}, \vec{b}+\vec{c}, \vec{a}+\vec{b}+\vec{c}

be unit vectors.

Question : 66 of 120

Marks: +1, -0

\vec{a}

\vec{c}

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