हिंदी

Evaluate the determinant. |(3,-1,-2),(0,0,-1),(3,-5,0)|

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प्रश्न

Evaluate the determinant.

`|(3,-1,-2),(0,0,-1),(3,-5,0)|`

मूल्यांकन
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उत्तर

`|(3,-1,-2),(0,0,-1),(3,-5,0)|`

= `3|(0,-1),(-5,0)| + 1|(0,-1),(3,0)| - 2|(0,0),(3,-5)|`

= 3[0 × 0 − (−1) × (−5)] + 1[0 × 0 − (−1) × 3] − 2[0 × (−5) − 0 × (3)]

= 3[0 − 5] + 1[0 + 3] − 2[0 − 0]

= 3 × (−5) + 1 × (3) − 2 × 0

= −15 + 3 

= −12

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अध्याय 4: Determinants - Exercise 4.1 [पृष्ठ १०८]

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एनसीईआरटी Mathematics Part 1 and 2 [English] Class 12
अध्याय 4 Determinants
Exercise 4.1 | Q 5.1 | पृष्ठ १०८
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