z11z+1+cz 11^{z+1}+cz11z+1+c
11zln11+c\frac{11^{z}}{\ln 11}+cln1111z+c
z11z−1+cz 11^{z-1}+cz11z−1+c
z11+c\frac{z}{11}+c11z+c