Mathematics · JEE Main

Matrices & Determinants

3 practice questions with a worked solution for each. Tap an option to see instantly if you are right.

2MCQ1Numerical
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  1. 1If the matrix A=(2k46)A = \begin{pmatrix} 2 & k \\ 4 & 6 \end{pmatrix} is singular, then the value of kk is:JEE Main/MCQ/Medium
  2. 2If AA is a 3×33 \times 3 matrix such that det⁡(A)=4\det(A) = 4, then the value of det⁡(2A)\det(2A) is:JEE Main/Numerical/Medium
  3. 3If A=(1234)A = \begin{pmatrix} 1 & 2 \\ 3 & 4 \end{pmatrix}, then value of det⁡(A2)\det(A^2) is:JEE Main/MCQ/Medium

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JEE Main 2025 Apr 2 Shift 1 question paper

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