If A = b c d I then A is invertible if ad-bc0, in which case A-1 = If ad bc = 0, then A is not invertible. Find the inverse of the given matrix (if it exists) using the theorem above. (If this is not possible, enter DNE in any single blank. Enter sqrt(n) for √n.) 1 ad - bc -C 5/√2 5/√2 ↓ 1 d -b -5/√2 5/√2 |

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