Solución

a.   $2.0248457$  

b.   $2.0024984$  

c.   $2.0002500$  

d.   $2.0000250$  

e.   $(4.1000000,2.0248457)$  

f.   $(4.0100000,2.0024984)$  

g.   $(4.0010000,2.0002500)$  

h.   $(4.00010000,2.0000250)$  

i.   $0.24845673$  

j.   $0.24984395$  

k.   $0.24998438$  

l.   $0.24999844$