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प्रश्न
If AX = B, where A = `[(1, 2, 3), (-1, 1, 2), (1, 2, 4)]` and B = `[(1), (2), (3)]`, then X is equal to ______
पर्याय
`[(1/3), (-7/3), (2)]`
`[(-1/3), (-7/3), (2)]`
`[(-1/3), (7/3), (2)]`
`[(-1/3), (7/3), (-2)]`
MCQ
रिकाम्या जागा भरा
उत्तर
If AX = B, where A = `[(1, 2, 3), (-1, 1, 2), (1, 2, 4)]` and B = `[(1), (2), (3)]`, then X is equal to `underline([(-1/3), (-7/3), (2)])`.
Explanation:
Consider option `([(-1/3), (-7/3), (2)])`,
AX = `[(1, 2, 3), (-1, 1, 2), (1, 2, 4)]`
`[(-1/3), (-7/3), (2)] = [(1), (2), (3)]`
∴ Option `[(-1/3), (-7/3), (2)]` is the correct answer.
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