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Formula

Reversal law for transposes

(AB)T=BTAT(AB)^T = B^T A^T
ATA^T
the transpose of A

The transpose of a product is the product of the transposes in the reverse order.

33
questions use it
20
of them past-year
2018–2026
years it has appeared
6%
rated HARD
3
exams
Matrices & Determinants notesOpen all 33 in the paper builder

Used alongside

How often each of these appears in the same solution as this one.

33 questions whose solution uses this

Every one was read individually — a question is here because its solution invokes this, not because the stem mentions it.

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Showing 33 of 33 questions — easiest first, then oldest paper first.

  • #1NDA → Mathematics → Matrices & Determinants → Special Matrices — Skew-Symmetric, Diagonal, Idempotent, Orthogonal, Rotation

  • #2NDA → Mathematics → Matrices & Determinants → Special Matrices — Skew-Symmetric, Diagonal, Idempotent, Orthogonal, Rotation

  • #3NDA → Mathematics → Matrices & Determinants → Special Matrices — Skew-Symmetric, Diagonal, Idempotent, Orthogonal, Rotation

  • #4CBSE Class 12 → Mathematics → Matrices → Transpose of a Matrix

  • #5CBSE Class 12 → Mathematics → Matrices → Symmetric and Skew-Symmetric Matrices

  • #6CBSE Class 12 → Mathematics → Matrices → Symmetric and Skew-Symmetric Matrices

  • #7CBSE Class 12 → Mathematics → Matrices → Symmetric and Skew-Symmetric Matrices

  • #8CBSE Class 12 → Mathematics → Matrices → Symmetric and Skew-Symmetric Matrices

  • #9NDA → Mathematics → Matrices & Determinants → Special Matrices — Skew-Symmetric, Diagonal, Idempotent, Orthogonal, Rotation

  • #10NDA → Mathematics → Matrices & Determinants → Special Matrices — Skew-Symmetric, Diagonal, Idempotent, Orthogonal, Rotation

  • #11NDA → Mathematics → Matrices & Determinants → Special Matrices — Skew-Symmetric, Diagonal, Idempotent, Orthogonal, Rotation

  • #12NDA → Mathematics → Matrices & Determinants → Special Matrices — Skew-Symmetric, Diagonal, Idempotent, Orthogonal, Rotation

  • #13NDA → Mathematics → Matrices & Determinants → Special Matrices — Skew-Symmetric, Diagonal, Idempotent, Orthogonal, Rotation

  • #14NDA → Mathematics → Matrices & Determinants → Special Matrices — Skew-Symmetric, Diagonal, Idempotent, Orthogonal, Rotation

  • #15NDA → Mathematics → Matrices & Determinants → Special Matrices — Skew-Symmetric, Diagonal, Idempotent, Orthogonal, Rotation

  • #16NDA → Mathematics → Matrices & Determinants → Special Matrices — Skew-Symmetric, Diagonal, Idempotent, Orthogonal, Rotation

  • #17CBSE Class 12 → Mathematics → Matrices → Symmetric and Skew-Symmetric Matrices

  • #18NDA → Mathematics → Matrices & Determinants → Matrix Operations, Polynomials, and Equations

  • #19NDA → Mathematics → Matrices & Determinants → Special Matrices — Skew-Symmetric, Diagonal, Idempotent, Orthogonal, Rotation

  • #20CBSE Class 12 → Mathematics → Matrices → Symmetric and Skew-Symmetric Matrices

  • #21CBSE Class 12 → Mathematics → Matrices → Transpose of a Matrix

  • #22NDA → Mathematics → Matrices & Determinants → Special Matrices — Skew-Symmetric, Diagonal, Idempotent, Orthogonal, Rotation

  • #23NDA → Mathematics → Matrices & Determinants → Special Matrices — Skew-Symmetric, Diagonal, Idempotent, Orthogonal, Rotation

  • #24CBSE Class 12 → Mathematics → Matrices → Symmetric and Skew-Symmetric Matrices

  • #25CBSE Class 12 → Mathematics → Matrices → Symmetric and Skew-Symmetric Matrices

    Questions number 19 and 20 are Assertion and Reason based questions. Two statements are given, one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer from the codes (A), (B), (C) and (D) as given below.
  • #26NDA → Mathematics → Matrices & Determinants → Cofactors, Adjoint, and Inverse

  • #27NDA → Mathematics → Matrices & Determinants → Special Matrices — Skew-Symmetric, Diagonal, Idempotent, Orthogonal, Rotation

  • #28NDA → Mathematics → Matrices & Determinants → Special Matrices — Skew-Symmetric, Diagonal, Idempotent, Orthogonal, Rotation

  • #29CBSE Class 12 → Mathematics → Matrices → Transpose of a Matrix

  • #30CBSE Class 12 → Mathematics → Matrices → Symmetric and Skew-Symmetric Matrices

  • #31CBSE Class 12 → Mathematics → Matrices → Symmetric and Skew-Symmetric Matrices

  • #32NDA → Mathematics → Matrices & Determinants → Special Matrices — Skew-Symmetric, Diagonal, Idempotent, Orthogonal, Rotation

  • #33MHT-CET → Maths → Determinants and Matrices → Systems of Linear Equations and Symmetric, Skew-Symmetric Matrices

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

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