/ _______ _______\ |\/ 1 + x - \/ 1 - x | lim |---------------------| x->0+\ x /
/ _______ _______\ |\/ 1 + x - \/ 1 - x | lim |---------------------| x->0+\ x /
1
= 1.0
/ _______ _______\ |\/ 1 + x - \/ 1 - x | lim |---------------------| x->0-\ x /
1
= 1.0
1.0
0/0,