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प्रश्न
Using the property of determinants and without expanding, prove that:
`|(a-b,b-c,c-a),(b-c,c-a,a-b),(a-a,a-b,b-c)| = 0`
उत्तर
Here, the two rows R1 and R3 are identical.
∴ Δ = 0.
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