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The number of elements in the set {A=(ab0d):a,b,d∈{−1,0,1} and (I−A)3=I−A3},where I is 2×2 identity matrix, is |
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Answer» The number of elements in the set {A=(ab0d):a,b,d∈{−1,0,1} and (I−A)3=I−A3}, where I is 2×2 identity matrix, is |
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