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If Δ=∣∣∣∣a1b1c1a2b2c2a3b3c3∣∣∣∣ Ai,Bi,Ci are respectively are cofator of ai,bi,ci-- for all i = 1, 2, 3, then ∣∣∣∣A1B1C1A2B2C2A3B3C3∣∣∣∣ |
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Answer» If Δ=∣∣ ∣∣ |
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