Practicing Success

Target Exam

CUET

Subject

-- Mathematics - Section A

Chapter

Determinants

Question:

If $\left|\begin{array}{cc}2 x & 5 \\ 8 & x\end{array}\right|=\left|\begin{array}{cc}6 & -2 \\ 7 & 3\end{array}\right|$ then the value of x is:

Options:

3

$\pm 3$

6

$\pm 6$

Correct Answer:

$\pm 6$

Explanation:

The correct answer is Option (4) → $\pm 6$