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

Answer»

Usng properties of determinants , prove that
111+3x1+3y1111+3z1
=9(3xyz+xy+yz+zx)



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