► In Exercises 13-18, use the inversion algorithm to find the in- verse of the matrix (if the inverse exists). 1 1 13. 4:0 1 1 1 1 15. 26 6 2 7 6 2 7 7 √2 14. -4√2 0 16. 1 1 3 1 3 1 3√2 0 √√2 0 0 1 000 0 0 5 0 3 5 7

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