_________ / 2 2 2 /x\ x*\/ a - x + a *asin|-| - 5 \a/
x*sqrt(a^2 - x^2) + a^2*asin(x/a) - 5
_________ 2 / 2 2 a x \/ a - x + -------------- - ------------ ________ _________ / 2 / 2 2 / x \/ a - x / 1 - -- / 2 \/ a
/ 2 \ | 3 1 x | x*|- ------------ + ------------- - ------------| | _________ 3/2 3/2| | / 2 2 / 2\ / 2 2\ | | \/ a - x | x | \a - x / | | a*|1 - --| | | | 2| | \ \ a / /
2 4 2 3 1 6*x 3*x 3*x - ------------ + ------------- - ------------ - ------------ + -------------- _________ 3/2 3/2 5/2 5/2 / 2 2 / 2\ / 2 2\ / 2 2\ / 2\ \/ a - x | x | \a - x / \a - x / 3 | x | a*|1 - --| a *|1 - --| | 2| | 2| \ a / \ a /