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Using properties of determinants, prove that ∣∣∣∣111+3x1+3y1111+3z1∣∣∣∣=9(3xyz+xy+yz+zx) |
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Answer» Using properties of determinants, prove that ∣∣ ∣∣111+3x1+3y1111+3z1∣∣ ∣∣=9(3xyz+xy+yz+zx) |
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