Why does this imply that a is not invertible

Play next lesson. Try reviewing these fundamentals first Notation of matrices The determinant of a 2 x 2 matrix. That's the last lesson Go to next topic. Still don't get it? Review these basic concepts… Notation of matrices The determinant of a 2 x 2 matrix Nope, I got it. Play next lesson or Practice this topic. Play next lesson Practice this topic.

Start now and get better math marks! Intro Lesson. Lesson: 1. Lesson: 2. Lesson: 3. Lesson: 4. Lesson: 5. Lesson: 6. Intro Learn Practice. What is an invertible matrix An invertible matrix, also called a nondegenerate matrix or a nonsingular matrix, is a type of square matrix containing real or complex numbers which is the most common in existence.

Equation 2: General condition for matrix A to be invertible. Equation 3: Matrix multiplication with a zero matrix. Equation 4: The identity matrix as inverse multiplicative of itself. Equation 5: Obtaining the transpose of a 2x2 matrix. Equation 6: Matrix X.

Equation 7: Determinant of matrix X. Equation 8: Matrix A. Equation 9: Determinant of matrix A. Equation Matrix E. Equation Determinant of matrix E. Equation Matrix F. Equation Determinant of matrix F. Equation Matrix Y. Equation Determinant of matrix Y. Equation Matrix Z. Equation Determinant of matrix Z. Do better in math today Get Started Now.

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