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Question
If A = `[(1, -1, 1),(2, 1, -3),(1, 1, 1)]`, 10B = `[(4, 2,2),(-5, 0, ∞),(1, -2, 3)]` and B is the inverse of matrix A, then α = ______
Options
–2
–1
2
5
MCQ
Fill in the Blanks
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Solution
5
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