#diagonal matrix

2 public questions tagged with this topic.

Matrices and Determinants 3

Consider the following statements: 1. Every zero matrix is a square matrix. 2. A matrix has a numerical value. 3. A unit

The logic is straightforward: using formula we get 3 only. Calculation gives this directly, check steps: apply rule, substitute values, simplify to get 3 only.

Ref: NCERT Mathematics Class XII — Matrices and Determinants

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Matrices and Determinants 2

If A =bmatrix 1 & 2 3 & 4 bmatrix and B =bmatrix a & 0 0 & b bmatrix , where a, b and natural numbers, then which one of

Let's break it down: using formula we get There exist infinitely many B's such that AB = BA. Calculation gives this directly, check steps: apply rule, substitute values, simplify to get There exist infinitely many B's such that AB =

Ref: NCERT Mathematics Class XII — Matrices and Determinants

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#diagonal matrix

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Consider the following statements: 1. Every zero matrix is a square matrix. 2. A matrix has a numerical value. 3. A unit

If A =bmatrix 1 & 2 3 & 4 bmatrix and B =bmatrix a & 0 0 & b bmatrix , where a, b and natural numbers, then which one of

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