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4 A = 12 7. The matrix is invertible. Is it true or false? True False 8. Find the inverse of The inverse does not

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4 A = 12 7. The matrix is invertible. Is it true or false? True False 8. Find the inverse of The inverse does not exist.P = ] and e = [22 71 11. Is the formula P . Q = Q . P true or false for ? O True O False P = [ ] and e = [ ] 12. Is the formula P . Q = Q . P true or false for .V O True O False

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