m^4-1/m^8-1 , если m =1/2.

Question

m^4-1/m^8-1 , если m =1/2.

Answer 1

M^4-1/((m^4-1)(m^4+1)=1/(m^4+1)
m=1/2

1/((1/2)^4+1)=1/(1/16+1)=1/(17/16)=16/17