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. For feedback or story ideas, reach us at timesnoweducation@timesgroup.com ...

The National Testing Agency has started the application procedure for the Common University Entrance Test for Undergraduate courses (CUET UG 2024). Registration is open until March 26, 2024. The Maths ...