NCERT Solutions for CBSE Class 12th Mathematics, Chapter 3: Matrices are available here. In this article, you will find solutions of exercise 3.2 (from question number 17 to question number 22). These ...
Maths 12th Matrices MCQs: The Central Board of Secondary Education (CBSE) conducts the annual board exams for class 12, and it is considered one of the most important tests a student will face in ...
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.
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