Contrapposto is a sculptural technique in which one hip is lower than the other because a knee has been bent or a leg has been moved forward or backward. It shows the artist's better understanding of anatomy. It is first exhibited in the ancient GreekKritikos Boy[?], and can also be seen in Michelangelo's David.
... Generalizations
The formula and its proof remain correct if the coefficients a, b and c are complex numbers, or more generally members of any field whose ...