Practicing Success

Target Exam

CUET

Subject

-- Mathematics - Section B1

Chapter

Determinants

Question:

Sum of the minor and the cofactor of the element 6 in the determinant $\left|\begin{array}{lll}2 & 3 & 1 \\ 4 & 5 & 6 \\ 7 & 8 & 9\end{array}\right|$ is:

Options:

-5

-10

10

0

Correct Answer:

0

Explanation:

The correct answer is Option (4) - 0