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.

The Mathematics section of the JEE Main 2026 exam is often the deciding factor in securing a top rank. Many students struggle with the vast syllabus, making it difficult to know where to focus their ...

ISC Class 12 Maths Syllabus 2025-26 provides updated chapters, marking scheme, and assessment details for the board exam scheduled on 9 March 2026. It covers key units like Calculus, Algebra, ...

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Define the Standard Model gauge group to be S ( U ( 2) × U ( 3)), the subgroup of SU ( 5) consisting of block diagonal matrices with a 2 × 2 block and then a 3 × 3 block. (This is isomorphic to the ...

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To be eligible for JEE Advanced 2026, candidates must rank among the top 2.5 lakh students in JEE Main 2026, satisfy the age ...

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