(x²-y²)(x²+y²)+(y²-z²)(y²+z2)+(z²-x²)(z²+x2)=0
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Answer:
Step-by-step explanation:
Using identity (a+b)(a-b)=a^2-b^2
Thus, x^4-y^4+y^4-z^4+z^4-x^4=0
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