________ / 2 9*asin(x) x*\/ 9 - x + --------- 3
x*sqrt(9 - x^2) + (9*asin(x))/3
________ 2 / 2 3 x \/ 9 - x + ----------- - ----------- ________ ________ / 2 / 2 \/ 1 - x \/ 9 - x
/ 2 \ | 3 3 x | x*|- ----------- + ----------- - -----------| | ________ 3/2 3/2| | / 2 / 2\ / 2\ | \ \/ 9 - x \1 - x / \9 - x / /
/ 4 2 2 \ | 1 1 x 2*x 3*x | 3*|----------- - ----------- - ----------- - ----------- + -----------| | 3/2 ________ 5/2 3/2 5/2| |/ 2\ / 2 / 2\ / 2\ / 2\ | \\1 - x / \/ 9 - x \9 - x / \9 - x / \1 - x / /