CUET Mathematics - If A is an invertible matrix of order 2, then (( adj A)^-1) is equal to | PYQs + Solutions

CUET Mathematics 2025 15 May Shift 1

Algebra

Medium

common

$\det A$

$\frac{1}{\det A}$

✅ Correct Option: 4

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14 May Shift 2

For the system of equations AX = B, which of the following is correct?

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If $\begin{vmatrix} 1 & \cos \theta & 0 \\ \sin \theta & 1 & \cos \theta \\ |\cos \theta & 1 & -\sin \theta| \end{vmatrix} = A\sin \theta + B\cos \theta + C\sin \theta\cos \theta$ then:

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Which of the following is NOT correct?

CUET Mathematics 2025 15 May Shift 1 PYQs

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