If x^2 + y^2 = 1 then how do you find 2(x^4)+3(x^2*y^2)+(y^4)+(y*2)
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Replace y^2 with 1-x^2 and simplify.
Hello, RuyHayabusa! . . . . . . . . . . . . . . . .
Thanks for your help both.
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