/ / 2\\ |x*(1 + x)*\-1 + x /| lim |-------------------| x->1+\ 3 /
Limit(((x*(1 + x))*(-1 + x^2))/3, x, 1)
/ / 2\\ |x*(1 + x)*\-1 + x /| lim |-------------------| x->1+\ 3 /
0
= 2.84453189979866e-32
/ / 2\\ |x*(1 + x)*\-1 + x /| lim |-------------------| x->1-\ 3 /
0
= -1.73543082701784e-30
= -1.73543082701784e-30