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Matrices and Determinants · 2023 · 6 Apr · Shift 1

2 Mathematics questions from this JEE Main paper

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JEE Main
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2023 · 6 Apr · Shift 1
Mathematics
Matrices and Determinants

Matrices and Determinants · 2023 · 6 Apr · Shift 1

2 Mathematics questions from this JEE Main paper

Q24.If the system of equations $x + y + a z = b 2 x + 5 y + 2 z = 6 x + 2 y + 3 z = 3$ has infinitely many solutions, then $2 a + 3 b$ is equal to :
Mathematics · Matrices and Determinants · MCQ
Q28.Let $A = [a_{ij}]_{2 \times 2}$ , where $a_{ij} e q 0$ for all $A^{2} = I$ and $A^{2} = I$ . Let a be the sum of all diagonal elements of $A$ and $b = ∣ A ∣$ …
Mathematics · Matrices and Determinants · MCQ