Further Maths: How do you find the inverse of a 2 x 2 matrix?

Consider the Matrix M: M= a b       c d  First, find the determinant. To do this, we use the formula:  det(M) = ad - bc Then plug the information into the formula used to find the inverse: 1/det(m) x   c   -b                   -d   a

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Answered by Shivani S. Further Mathematics tutor

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