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Formula

Determinant of a product

∣AB∣=∣A∣ ∣B∣|AB| = |A|\,|B|
∣A∣|A|
the determinant of A

The determinant of a product is the product of the determinants, which also shows that determinants commute even when the matrices do not.

18
questions use it
12
of them past-year
2017–2026
years it has appeared
22%
rated HARD
2
exams
Matrices & Determinants notesOpen all 18 in the paper builder

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18 questions whose solution uses this

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Showing 18 of 18 questions — easiest first, then oldest paper first.

  • #1NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums

  • #2NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums

  • #3CBSE Class 12 → Mathematics → Determinants → Determinant and its Properties

  • #4NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums

  • #5NDA → Mathematics → Matrices & Determinants → Cofactors, Adjoint, and Inverse

  • #6NDA → Mathematics → Matrices & Determinants → Matrix Operations, Polynomials, and Equations

  • #7NDA → Mathematics → Matrices & Determinants → Cofactors, Adjoint, and Inverse

  • #8NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums

  • Set · 2 questions
    Consider the following for the next 02 (two) items: Let A and B be (3×3) matrices with det A = 4 and det B = 3.
    • #9NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums

    • #10NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums

  • #11NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums

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

  • #13CBSE Class 12 → Mathematics → Determinants → Determinant and its Properties

  • #14NDA → Mathematics → Matrices & Determinants → Cofactors, Adjoint, and Inverse

  • #15NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums

  • #16NDA → Mathematics → Matrices & Determinants → Cofactors, Adjoint, and Inverse

  • #17NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums

  • #18NDA → Mathematics → Matrices & Determinants → Determinant Properties, Operations, and Sums

Every identity this chapter tests, with its own question set.

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