InterviewSolution
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the matrix A(I+A)^-1 IS EQUAL TO( IS |A| IS NOT EQUAL TO 0 ,|I+A| IS NOT EQUAL TO 0)(1)(A^-1+I)^-1 (2) A^-I (3)(I+A)A(4)(A^-1 +I)^-1A |
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Answer» the matrix A(I+A)^-1 IS EQUAL TO( IS |A| IS NOT EQUAL TO 0 ,|I+A| IS NOT EQUAL TO 0) (1)(A^-1+I)^-1 (2) A^-I (3)(I+A)A (4)(A^-1 +I)^-1A |
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