1.

Using properties of determinants, prove that ∣∣∣∣∣(x+y)2zxzyzx(z+y)2xyzyxy(z+x)2∣∣∣∣∣=2xyz(x+y+z)3

Answer» Using properties of determinants, prove that ∣∣
∣
∣
∣
(x+y)2zxzyzx(z+y)2xyzyxy(z+x)2∣∣
∣
∣
∣
=2xyz(x+y+z)3


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