Solución

a.   37.931934 −37.931934

b.   3377.9264 −3377.9264

c.   333,777.93 −333,777.93

d.   33,337,778 −33,337,778

e.   29.032258 −29.032258

f.   3289.0365 −3289.0365

g.   332,889.04 −332,889.04

h.   33,328,889 −33,328,889limz0z1z2(z+3)=\mathop {\lim }\limits_{z \to 0} {{z - 1} \over {{z^2}\left( {z + 3} \right)}} = - \infty