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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Transform [1243-15246] into an upper triangular matrix by using suitable row transformations - Mathematics and Statistics

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प्रश्न

Transform `[(1, 2, 4),(3, -1, 5),(2, 4, 6)]` into an upper triangular matrix by using suitable row transformations

बेरीज
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उत्तर

Let A = `[(1, 2, 4),(3, -1, 5),(2, 4, 6)]`

Applying R2 → R2 – 3R1 and R3 → R3 – 2R1, we get

`[(1, 2, 4),(0, -7, -7),(0, 0, -2)]`

This is required upper triangular matrix.

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