1 / | | _________ | / 2 2 | \/ r - x dx | / 0
Integral(sqrt(r^2 - x^2), (x, 0, 1))
// 2 /x\ \
|| I*r *acosh|-| 3 | 2| |
|| \r/ I*x I*r*x |x | |
||- ------------- + ------------------- - ----------------- for |--| > 1|
|| 2 _________ _________ | 2| |
/ || / 2 / 2 |r | |
| || / x / x |
| _________ || 2*r* / -1 + -- 2* / -1 + -- |
| / 2 2 || / 2 / 2 |
| \/ r - x dx = C + |< \/ r \/ r |
| || |
/ || ________ |
|| / 2 |
|| / x |
|| 2 /x\ r*x* / 1 - -- |
|| r *asin|-| / 2 |
|| \r/ \/ r |
|| ---------- + ------------------ otherwise |
\\ 2 2 /
Use the examples entering the upper and lower limits of integration.