Question: (a) Are there any nonzero real scalars that satisfy (a + b)-l = a-l + B-l? (b) Are there any nonsingular real 22 matrices that

(a) Are there any nonzero real scalars that satisfy (a + b)-l = a-l + B-l?
(b) Are there any nonsingular real 2×2 matrices that satisfy (A + B)-1 = A-1 + B-1?

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