In this lesson, we will learn how to use elementary row operations to find the inverse of a matrix, if possible.
Q1:
Find the multiplicative inverse of the matrix 100710801.
Q2:
Find the multiplicative inverse of 1470010001.
Q3:
Use the inverse matrix to solve ⎡⎢⎢⎣3585123124721353⎤⎥⎥⎦𝑥𝑦𝑧𝑤=⎡⎢⎢⎣0101⎤⎥⎥⎦. Give your answer as an appropriate matrix.
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