x /x\ ------------ - asin|-| _________ \0/ / 2 2 \/ a - x
x/sqrt(a^2 - x^2) - asin(x/0)
2 1 x zoo ------------ + ------------ + --------------- _________ 3/2 ____________ / 2 2 / 2 2\ / 2 \/ a - x \a - x / \/ 1 - zoo*x
nan
0