1.

∣∣∣∣∣xx2yzyy2zxzz2xy∣∣∣∣∣=(x−y)(y−z)(z−x)(xy+yz+zx)

Answer»

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xx2yzyy2zxzz2xy∣∣
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=(x−y)(y−z)(z−x)(xy+yz+zx)



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