plot y=sqrt(4-(x^2)/2)-1.5, y=.5-(32*(2*.5-(sqrt(4*1.5^2+(1/2*sqrt(7/2))^2))*((2sqrt(2)/ sqrt(2*1.5^2+(1/2*sqrt(7/2))^2))-1)) / (14*((2sqrt(2)/ sqrt(2*1.5^2+(1/2*sqrt(7/2))^2))+1)^2))x^2

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