Official PYQ · 2007Set 1 · Q21Linear AlgebraMCQ1 mark

GATE EC 2007 Set 1 Q21 — Linear Algebra

It is given that $X_{1}, X_{2}, \cdots ,X_{M}$ are $M$ non-zero, orthogonal vectors. The dimension of the vector space spanned by the $2 M$ vectors $X_{1}, X_{2}, \cdots, X_{M},-X_{1},-X_{2}, \cdots,-X_{M}$ is

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Answer: C

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Published 10 Oct 2026

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