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Frequently Asked Questions (FAQ)
What is the critical f(x,y)=x^4+y^4+2x^2y^2+8a^2x^2-8a^2y^2 ?
- The critical f(x,y)=x^4+y^4+2x^2y^2+8a^2x^2-8a^2y^2 is (0,0),(0,-2a),(0,2a),(0,0),(0,0)