Math Problem Statement

Calculate the determinant of the matrix A: A = [ [0, 12, 4, 8], [0, 2, 3, 9], [-3, -9, -2, -5], [0, -11, 11, -1] ]

Solution

The determinant of the matrix AA is det(A)=3516\det(A) = 3516.

Would you like further details or clarification on this? Here are 5 related questions to explore:

  1. How can determinants be used to solve systems of linear equations?
  2. What is the geometric interpretation of a determinant for a 2x2 or 3x3 matrix?
  3. How does the determinant change when performing row operations on a matrix?
  4. How is the cofactor expansion method applied to find a matrix determinant?
  5. What properties of a matrix can we infer from its determinant?

Tip: A matrix with a determinant of zero is singular, meaning it doesn't have an inverse.

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Math Problem Analysis

Mathematical Concepts

Linear Algebra
Matrix Determinants

Formulas

Determinant formula for a 4x4 matrix
Cofactor expansion method

Theorems

Laplace Expansion
Properties of Determinants

Suitable Grade Level

Grades 10-12