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Two real numbers \(x & y\) and  are such that \(8y^4+4x^2y^2+4xy^2+2x^3+2y^2+2x = x^2+1. \)
Find all possible values of \(x+2y^2 \).

 

 Oct 19, 2019
 #1
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x = 1/2 - 2y^2.

 

Therefore, all possible values of:

 

x + 2y^2 = 1/2

 Oct 19, 2019

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