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Formula

Determinant of a triangular matrix

det⁡A=∏iaii\det A = \prod_i a_{ii}
aiia_{ii}
the diagonal entries

For an upper or lower triangular matrix, and so for a diagonal one, the determinant is simply the product of the diagonal entries.

14
questions use it
4
of them past-year
2017–2026
years it has appeared
0%
rated HARD
2
exams
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  • #1NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums

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  • #14CBSE Class 12 → Mathematics → Determinants → Determinant and its Properties

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