Pyramid 741
Preview $$U_{741}(x, y) = \left(1 - \frac{4 \sin^{2}{\left(\frac{\operatorname{asin}{\left(\frac{3 \sqrt{3} \sqrt{- x}}{2} \right)}}{3} \right)}}{3}\right)^{3} \left(y + 1\right)$$
Pyramid 742
Preview $$U_{742}(x, y) = \frac{y + 1}{\left(- x y - x + 1\right)^{3}}$$
Pyramid 743
Preview $$U_{743}(x, y) = \left(1 - \frac{4 \sin^{2}{\left(\frac{\operatorname{asin}{\left(\frac{3 \sqrt{3} \sqrt{- x}}{2} \right)}}{3} \right)}}{3}\right)^{3} \left(y + 1\right)^{2}$$
Pyramid 744
Preview $$U_{744}(x, y) = \frac{\left(y + 1\right)^{2}}{\left(- x \left(y + 1\right)^{2} + 1\right)^{3}}$$
Pyramid 745
Preview $$U_{745}(x, y) = \left(1 - \frac{4 \sin^{2}{\left(\frac{\operatorname{asin}{\left(\frac{3 \sqrt{3} \sqrt{- x}}{2} \right)}}{3} \right)}}{3}\right)^{4} \left(y + 1\right)$$
Pyramid 746
Preview $$U_{746}(x, y) = \frac{\left(1 - \sqrt{- 4 x \left(y + 1\right) + 1}\right)^{4}}{16 x^{4} \left(y + 1\right)^{3}}$$
Pyramid 747
Preview $$U_{747}(x, y) = \frac{\left(1 - \sqrt{1 - 4 y}\right) \left(1 - \frac{4 \sin^{2}{\left(\frac{\operatorname{asin}{\left(\frac{3 \sqrt{3} \sqrt{- x}}{2} \right)}}{3} \right)}}{3}\right)^{2}}{2 y}$$
Pyramid 748
Preview $$U_{748}(x, y) = \frac{x^{2} \left(1 - \sqrt{1 - 4 y}\right)^{3}}{8 y^{3}} + \frac{x \left(1 - \sqrt{1 - 4 y}\right)^{2}}{2 y^{2}} + \frac{1 - \sqrt{1 - 4 y}}{2 y}$$
Pyramid 749
Preview $$U_{749}(x, y) = \frac{y^{3} \left(- \frac{2 x \left(1 - \sqrt{1 - 4 y}\right)^{2}}{y^{2}} - 4 \sqrt{- \frac{x \left(1 - \sqrt{1 - 4 y}\right)^{2}}{y^{2}} + 1} + 4\right)}{x^{2} \left(1 - \sqrt{1 - 4 y}\right)^{3}}$$
Pyramid 750
Preview $$U_{750}(x, y) = \frac{\left(1 - \frac{4 \sin^{2}{\left(\frac{\operatorname{asin}{\left(\frac{3 \sqrt{3} \sqrt{- x}}{2} \right)}}{3} \right)}}{3}\right)^{2} \left(- 2 y - \sqrt{1 - 4 y} + 1\right)}{2 y^{2}}$$
Pyramid 751
Preview $$U_{751}(x, y) = \frac{\left(\frac{x \left(- 2 y - \sqrt{1 - 4 y} + 1\right)}{2 y^{2}} + 1\right)^{2} \left(- 2 y - \sqrt{1 - 4 y} + 1\right)}{2 y^{2}}$$
Pyramid 752
Preview $$U_{752}(x, y) = \frac{y^{6} \left(- \frac{2 x \left(- 2 y - \sqrt{1 - 4 y} + 1\right)^{2}}{y^{4}} - 4 \sqrt{- \frac{x \left(- 2 y - \sqrt{1 - 4 y} + 1\right)^{2}}{y^{4}} + 1} + 4\right)}{x^{2} \left(- 2 y - \sqrt{1 - 4 y} + 1\right)^{3}}$$
Pyramid 753
Preview $$U_{753}(x, y) = \frac{\left(1 - \frac{4 \sin^{2}{\left(\frac{\operatorname{asin}{\left(\frac{3 \sqrt{3} \sqrt{- x}}{2} \right)}}{3} \right)}}{3}\right)^{2}}{\sqrt{1 - 4 y}}$$
Pyramid 754
Preview $$U_{754}(x, y) = \frac{\left(\frac{x}{\sqrt{1 - 4 y}} + 1\right)^{2}}{\sqrt{1 - 4 y}}$$
Pyramid 755
Preview $$U_{755}(x, y) = \frac{\left(1 - 4 y\right)^{\frac{3}{2}} \left(- \frac{2 x}{1 - 4 y} - \sqrt{- \frac{4 x}{1 - 4 y} + 1} + 1\right)}{2 x^{2}}$$
Pyramid 756
Preview $$U_{756}(x, y) = \frac{\left(1 - \sqrt{- 4 x \left(y + 1\right) + 1}\right)^{3}}{8 x^{3} \left(y + 1\right)^{2}}$$
Pyramid 757
Preview $$U_{757}(x, y) = \frac{\left(1 - y\right)^{2} \left(1 - \sqrt{- \frac{4 x}{1 - y} + 1}\right)^{3}}{8 x^{3}}$$
Pyramid 758
Preview $$U_{758}(x, y) = \frac{\left(1 - \sqrt{- 4 x \left(y + 1\right)^{2} + 1}\right)^{3}}{8 x^{3} \left(y + 1\right)^{4}}$$
Pyramid 759
Preview $$U_{759}(x, y) = \frac{\left(1 - y\right)^{4} \left(1 - \sqrt{- \frac{4 x}{\left(1 - y\right)^{2}} + 1}\right)^{3}}{8 x^{3}}$$
Pyramid 760
Preview $$U_{760}(x, y) = \frac{y^{2} \left(1 - \sqrt{- \frac{2 x \left(1 - \sqrt{1 - 4 y}\right)}{y} + 1}\right)^{3}}{2 x^{3} \left(1 - \sqrt{1 - 4 y}\right)^{2}}$$
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