Mathematics · Linear Algebra
Let a, b, and c be distinct integers. Let A be the matrix: A = a 2 b 2 c 2 a 5 b 5 c 5 a 11 b 11 c 11 Which among the following is the set of all possible ranks of A?
- 1{0, 1, 2, 3}
- 2{1, 2, 3}
- 3{2, 3}✓
- 4{3}
Correct answer
{2, 3}
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