1
1+1=
g
(c+1)[1+(1+c)]=3c(1+c)
:
(1+c)=k
1+c=k2c=k2-1
k2(1+k)=3(k2-1)k
k(1+k)(k-3(k-1))=o
k(1+k)(3-2k)=o
k=ok=-1k=32
k=oc=-1
k=-1c=i-1
k=32c=54
c=-1c=54c=i-1
72