Pyramid 941
Preview $$U_{941}(x, y) = 2 x y + \sqrt{4 x^{2} y^{2} + 4 x + 1}$$
Pyramid 942
Preview $$U_{942}(x, y) = \left(x + 1\right) \left(x + y\right)^{2}$$
Pyramid 943
Preview $$U_{943}(x, y) = \left(x + 1\right) \left(x + y\right)^{3}$$
Pyramid 944
Preview $$U_{944}(x, y) = \left(x + 1\right) \left(x + y\right)^{4}$$
Pyramid 945
Preview $$U_{945}(x, y) = \frac{\left(x + y\right)^{2}}{1 - x}$$
Pyramid 946
Preview $$U_{946}(x, y) = \frac{\left(x + y\right)^{3}}{1 - x}$$
Pyramid 947
Preview $$U_{947}(x, y) = \frac{\left(x + y\right)^{4}}{1 - x}$$
Pyramid 948
Preview $$U_{948}(x, y) = \frac{- y \left(2 x^{2} + 2 x\right) - \sqrt{y \left(- 4 x^{2} - 4 x\right) + 1} + 1}{y^{2} \left(2 x + 2\right)}$$
Pyramid 949
Preview $$U_{949}(x, y) = \frac{- 2 x y - x - \sqrt{x^{2} - 2 x + y \left(4 x^{2} - 4 x\right) + 1} + 1}{2 x^{2} y^{2}}$$
Pyramid 950
Preview $$U_{950}(x, y) = \left(x + 1\right)^{2} \left(x + y\right)^{2}$$
Pyramid 951
Preview $$U_{951}(x, y) = \left(x + 1\right)^{2} \left(x + y\right)$$
Pyramid 952
Preview $$U_{952}(x, y) = \left(x + 1\right)^{3} \left(x + y\right)$$
Pyramid 953
Preview $$U_{953}(x, y) = \left(x + y\right)^{2} + 1$$
Pyramid 954
Preview $$U_{954}(x, y) = \frac{1}{1 - \left(x + y\right)^{2}}$$
Pyramid 955
Preview $$U_{955}(x, y) = \frac{1}{\left(1 - \left(x + y\right)^{2}\right)^{2}}$$
Pyramid 956
Preview $$U_{956}(x, y) = \frac{1 - \sqrt{1 - 4 \left(x + y\right)^{2}}}{2 \left(x + y\right)^{2}}$$
Pyramid 957
Preview $$U_{957}(x, y) = x \left(x + y\right) + 1$$
Pyramid 958
Preview $$U_{958}(x, y) = \frac{- x y - \sqrt{x^{2} y^{2} - 4 x^{2} - 2 x y + 1} + 1}{2 x^{2}}$$
Pyramid 959
Preview $$U_{959}(x, y) = \frac{- x^{2} - 1}{x y - 1}$$
Pyramid 960
Preview $$U_{960}(x, y) = \frac{1 - \sqrt{y \left(- 4 x^{3} - 4 x\right) + 1}}{2 x y}$$
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