/ -1 + x\ lim asin|-------| x->-1+ | 2| \-1 + x /
Limit(asin((-1 + x)/(-1 + x^2)), x, -1)
/ -1 + x\ lim asin|-------| x->-1+ | 2| \-1 + x /
-oo*I
= (1.5707963267949 - 9.55297806994804j)
/ -1 + x\ lim asin|-------| x->-1- | 2| \-1 + x /
oo*I
= (-1.5707963267949 + 9.55279887411676j)
= (-1.5707963267949 + 9.55279887411676j)
(1.5707963267949 - 9.55297806994804j)
(1.5707963267949 - 9.55297806994804j)