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How to find the inverse of a 2x2 matrix

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The inverse of a 2 × 2 matrix

Well, for a 2x2 matrix the inverse is: a b c d. −1 = 1 ad−bc. d −b −c a. In other words: swap the positions of a and d, put negatives in front of b and c, and divide everything by ad−bc . Note:

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Inverse of a Matrix

For an invertible matrix of order 2 x2, we can find the inverse in two different methods such as: Inverse using Elementary operations Using the Inverse matrix formula