㎡-2=0
(㎡-2m+1)÷(㎡-1)+㎡÷(m+1)
=(㎡-2m+1)/[m+1)(m-1)]+m²/(m+1)
=[(m²-2m+1)+m²(m-1)]/[(m+1)(m-1)]
=(m³-2m+1)/(m²-1)
=[(m(m²-2)+1]/(m²-2+1}
=1
㎡-2=0
(㎡-2m+1)÷(㎡-1)+㎡÷(m+1)
=(㎡-2m+1)/[m+1)(m-1)]+m²/(m+1)
=[(m²-2m+1)+m²(m-1)]/[(m+1)(m-1)]
=(m³-2m+1)/(m²-1)
=[(m(m²-2)+1]/(m²-2+1}
=1