Here we are providing NCERT Exemplar Solutions for all the questions of Class 12 Mathematics Chapter 3 – Matrices. These questions are solved by experienced subject experts of Mathematics in the most ...
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.
CBSE 2024-25 Competency-Based Questions With Answers: The Central Board of Secondary Education (CBSE) is the central-level educational board that aims to polish the learning standard for students.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback