2-x-4-2x-2-3-y-4-3y-2-4-7-Find-x-y-

Question Number 48204 by ajfour last updated on 20/Nov/18

2 (x^{4} - 2 x^{2} + 3) (y^{4} - 3 y^{2} + 4) = 7

F i n d (x, y) .

Answered by ajfour last updated on 20/Nov/18

2 [{(x^{2} - 1)}^{2} + 2] [{(y^{2} - \frac{3}{2})}^{2} + \frac{7}{4}] = 7

\Rightarrow x = \pm 1, y = \pm \sqrt{\frac{3}{2}}

f o u r p o i n t s .

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