Pyramid 1161
Preview $$U_{1161}(x, y) = \frac{\left(1 - \sqrt{- 4 x \left(y + 1\right)^{3} + 1}\right)^{2}}{4 x^{2} \left(y + 1\right)^{6}}$$
Pyramid 1162
Preview $$U_{1162}(x, y) = \frac{\left(1 - y\right)^{6} \left(1 - \sqrt{- \frac{4 x}{\left(1 - y\right)^{3}} + 1}\right)^{2}}{4 x^{2}}$$
Pyramid 1163
Preview $$U_{1163}(x, y) = \frac{4 y^{4} \left(1 - \sqrt{- \frac{x \left(1 - \sqrt{1 - 4 y}\right)^{2}}{y^{2}} + 1}\right)^{2}}{x^{2} \left(1 - \sqrt{1 - 4 y}\right)^{4}}$$
Pyramid 1164
Preview $$U_{1164}(x, y) = \frac{16 y^{6} \left(1 - \sqrt{- \frac{x \left(1 - \sqrt{1 - 4 y}\right)^{3}}{2 y^{3}} + 1}\right)^{2}}{x^{2} \left(1 - \sqrt{1 - 4 y}\right)^{6}}$$
Pyramid 1165
Preview $$U_{1165}(x, y) = \frac{\left(1 - \sqrt{1 - 4 y}\right) \sqrt{4 x + 1}}{2 y}$$
Pyramid 1166
Preview $$U_{1166}(x, y) = \frac{4 y^{8} \left(1 - \sqrt{- \frac{x \left(- 2 y - \sqrt{1 - 4 y} + 1\right)^{2}}{y^{4}} + 1}\right)^{2}}{x^{2} \left(- 2 y - \sqrt{1 - 4 y} + 1\right)^{4}}$$
Pyramid 1167
Preview $$U_{1167}(x, y) = \frac{16 y^{12} \left(1 - \sqrt{- \frac{x \left(- 2 y - \sqrt{1 - 4 y} + 1\right)^{3}}{2 y^{6}} + 1}\right)^{2}}{x^{2} \left(- 2 y - \sqrt{1 - 4 y} + 1\right)^{6}}$$
Pyramid 1168
Preview $$U_{1168}(x, y) = \frac{\left(1 - \sqrt{- 4 x \left(y + 1\right) + 1}\right)^{3}}{8 x^{3} \left(y + 1\right)^{3}}$$
Pyramid 1169
Preview $$U_{1169}(x, y) = \frac{\left(1 - \sqrt{- 4 x \left(y + 1\right)^{2} + 1}\right)^{3}}{8 x^{3} \left(y + 1\right)^{6}}$$
Pyramid 1170
Preview $$U_{1170}(x, y) = \frac{\left(1 - \sqrt{- 4 x \left(y + 1\right)^{3} + 1}\right)^{3}}{8 x^{3} \left(y + 1\right)^{9}}$$
Pyramid 1171
Preview $$U_{1171}(x, y) = \frac{\left(1 - y\right)^{3} \left(1 - \sqrt{- \frac{4 x}{1 - y} + 1}\right)^{3}}{8 x^{3}}$$
Pyramid 1172
Preview $$U_{1172}(x, y) = \frac{\left(1 - y\right)^{6} \left(1 - \sqrt{- \frac{4 x}{\left(1 - y\right)^{2}} + 1}\right)^{3}}{8 x^{3}}$$
Pyramid 1173
Preview $$U_{1173}(x, y) = \frac{\left(1 - y\right)^{9} \left(1 - \sqrt{- \frac{4 x}{\left(1 - y\right)^{3}} + 1}\right)^{3}}{8 x^{3}}$$
Pyramid 1174
Preview $$U_{1174}(x, y) = \frac{y^{3} \left(1 - \sqrt{- \frac{2 x \left(1 - \sqrt{1 - 4 y}\right)}{y} + 1}\right)^{3}}{x^{3} \left(1 - \sqrt{1 - 4 y}\right)^{3}}$$
Pyramid 1175
Preview $$U_{1175}(x, y) = \frac{8 y^{6} \left(1 - \sqrt{- \frac{x \left(1 - \sqrt{1 - 4 y}\right)^{2}}{y^{2}} + 1}\right)^{3}}{x^{3} \left(1 - \sqrt{1 - 4 y}\right)^{6}}$$
Pyramid 1176
Preview $$U_{1176}(x, y) = \frac{64 y^{9} \left(1 - \sqrt{- \frac{x \left(1 - \sqrt{1 - 4 y}\right)^{3}}{2 y^{3}} + 1}\right)^{3}}{x^{3} \left(1 - \sqrt{1 - 4 y}\right)^{9}}$$
Pyramid 1177
Preview $$U_{1177}(x, y) = \frac{\sqrt{4 x + 1} \left(- 2 y - \sqrt{1 - 4 y} + 1\right)}{2 y^{2}}$$
Pyramid 1178
Preview $$U_{1178}(x, y) = \frac{8 y^{12} \left(1 - \sqrt{- \frac{x \left(- 2 y - \sqrt{1 - 4 y} + 1\right)^{2}}{y^{4}} + 1}\right)^{3}}{x^{3} \left(- 2 y - \sqrt{1 - 4 y} + 1\right)^{6}}$$
Pyramid 1179
Preview $$U_{1179}(x, y) = \frac{64 y^{18} \left(1 - \sqrt{- \frac{x \left(- 2 y - \sqrt{1 - 4 y} + 1\right)^{3}}{2 y^{6}} + 1}\right)^{3}}{x^{3} \left(- 2 y - \sqrt{1 - 4 y} + 1\right)^{9}}$$
Pyramid 1180
Preview $$U_{1180}(x, y) = \left(y + 1\right) \sqrt{4 x \left(y + 1\right)^{2} + 1}$$
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