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 ...
CBSE Class 10 Maths Chapter 3 Important Questions with Solutions: In this article we will cover all types of important questions from multiple choice question type, objective question type, short ...
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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