Inequalities:
(x² + 4(y+1)²) [(x² + y² - 3)sqrt(x² + y²) - a(1 - by/sqrt(x² + y²))^ln(c + abs(x)/sqrt(x² + y²))] < d
a = 5, -1.25, -2.1, -2.2, -2.36, -2.6
b = 0.84, c = 0.5, d = 0.1
( Softwares used: Graph, PhotoScape )
Making Art with Mathematical Equations, Inequalities and Functions (Mappings, Transformations)