CBSE 2024-25 Competency Based Questions With Answers: The Central Board of Secondary Education (CBSE) is a national level education body. It has released the competency-based practice questions for ...

NCERT Solutions for Class 10 Maths Chapter 3, Pair of Linear Equations in Two Variables: Practicing NCERT questions will help students build their understanding and problem-solving skills. These ...

Solution: det (A) = −5, and for n×n matrix adj (A) has determinant (det A)^ (n−1). Here n = 3, so det (B) = (−5)^ (2) = 25.