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Matrices and Determinants · 2011 · Shift 0

2 Mathematics questions from this JEE Main paper

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JEE Main
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2011 · Shift 0
Mathematics
Matrices and Determinants

Matrices and Determinants · 2011 · Shift 0

2 Mathematics questions from this JEE Main paper

Q41.The number of values of $k$ for which the linear equations $4 x + k y + 2 z = 0, k x + 4 y + z = 0$ and $2 x + 2 y + z = 0$ possess a non-zero solution is :
Mathematics · Matrices and Determinants · MCQ
Q42.Let $A$ and $B$ be two symmetric matrices of order $3$ . Statement - 1 : $A (B A)$ and $(A B) A$ are symmetric matrices. Statement - 2 : $A B$ is symmetric matrix if matrix multiplication of $A$ with $B$ is commutative.
Mathematics · Matrices and Determinants · MCQ