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If A = [1213-25], apply R1 ↔ R2 and then C1 → C1 + 2C3 on A - Mathematics and Statistics

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प्रश्न

If A = `[(1, 2, -1),(3, -2, 5)]`, apply R1 ↔ R2 and then C1 → C1 + 2C3 on A

योग

उत्तर

A = `[(1, 2, -1),(3, -2, 5)]`

Applying R1 ↔ R2, we get

`[(3, -2, 5),(1, 2, -1)]`

Applying C1 → C1 + 2C3, we get

`[(13, -2, 5),(-1, 2, -1)]`

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अध्याय 1.2: Matrics - Short Answers II

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