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प्रश्न
Without expanding, evaluate the following determinants:
`|(2, 3, 4),(5, 6, 8),(6x, 9x, 12x)|`
बेरीज
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उत्तर
`|(2, 3, 4),(5, 6, 8),(6x, 9x, 12x)| = x|(2, 3, 4),(5, 6, 8),(6, 9, 12)|`
= `(x)(3)|(2, 3, 4),(5, 6, 8),(2, 3, 4)|`
= 3x (0)
= 0
∴ R1 = R2
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 7: Matrices and Determinants - Exercise 7.2 [पृष्ठ ३०]
