1)lim x->0 (4x^3-2x^2+x)/(3x^2+2x)
lim x->0 (4x^3-2x^2+x)/(3x^2+2x)
=(4x^2-2x+1)/(3x+2)
=1/2 (x=0代入)
2)lim n->0 [(x+h)^2-x^2]/h
lim n->0 [(x+h)^2-x^2]/h
=(x+h+x)*(x+h-x)/h
=(2x+h)
=2x
1)lim x->0 (4x^3-2x^2+x)/(3x^2+2x)
lim x->0 (4x^3-2x^2+x)/(3x^2+2x)
=(4x^2-2x+1)/(3x+2)
=1/2 (x=0代入)
2)lim n->0 [(x+h)^2-x^2]/h
lim n->0 [(x+h)^2-x^2]/h
=(x+h+x)*(x+h-x)/h
=(2x+h)
=2x