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If in the determinant Δ = ∣∣∣∣a1b1c1a2b2c2a3b3c3∣∣∣∣, A1, B1, C1 etc. be the co-factors of a1, b1, c1 etc., then which of the following relations is incorrect |
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Answer» If in the determinant Δ = ∣∣ |
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