21.4 - Inverse of a Matrix
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Practice Questions
Test your understanding with targeted questions
Define the term 'matrix inverse.'
💡 Hint: Think about how two matrices interact when multiplied.
What must be true for a matrix to have an inverse?
💡 Hint: Recall what the determinant indicates about the matrix.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main property of the matrix inverse?
💡 Hint: Look for equations that yield the identity matrix.
True or False: A singular matrix has an inverse.
💡 Hint: Reflect on determinant properties.
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Challenge Problems
Push your limits with advanced challenges
Given the following matrix, find the inverse using the adjoint method: A = [[4, 7], [2, 6]].
💡 Hint: Remember the formula involving determinant and adjoint.
Use the Gauss-Jordan method to find the inverse of the matrix B = [[3, 2], [1, 1]]. Show the step-by-step transformation.
💡 Hint: Focus on making the left side the identity matrix.
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