If the matrix $A=\left[\begin{array}{cc}

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Target Exam

CUET

Subject

-- Mathematics - Section B1

Chapter

Determinants

Question:

If the matrix $A=\left[\begin{array}{cc}2-x & +3 \\ 2 & 1-x\end{array}\right]$ is singular, then value(s) of x are:

Options:

1, 4

-1, 4

1, -4

2, -2

Correct Answer:

-1, 4

Explanation:

The correct answer is Option (2) → -1, 4