20-11-2020
Mathematics

contestada

Are the following 2x2 matrices inverses or not?
1 ㅔ
1 2 & 0 1
30
2 -1

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rogelioespaillat1 rogelioespaillat1

20-11-2020

Answer: A . Not all 2 × 2 matrices have an inverse matrix. If the determinant of the matrix is zero, then it will not have an inverse; the matrix is then said to be singular. Only non-singular matrices have inverses.

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