/ x*(-1 + x)*cos(x)\ lim |1 + -----------------| x->0+\ 4 /
Limit(1 + ((x*(-1 + x))*cos(x))/4, x, 0)
1
= 1.0
/ x*(-1 + x)*cos(x)\ lim |1 + -----------------| x->0-\ 4 /
1.0