/ 2 /1\\ lim |2*x *sin|-|| x->0+\ \x//
Limit((2*x^2)*sin(1/x), x, 0)
0
= 2.32971667945929e-21
/ 2 /1\\ lim |2*x *sin|-|| x->0-\ \x//
= -2.32971667945929e-21
2.32971667945929e-21