limx->0(4x-sin3x)/tan5x
加减不能用等价无穷小替换吧
潘小飞回答:
limx->0(4x-sin3x)/tan5x
=limx->04x/tan5x-lim(x->0)sin3x/tan5x
=4/5-3/5
=1/5
相关文章:
limx->0(4x-sin3x)/tan5x
加减不能用等价无穷小替换吧
潘小飞回答:
limx->0(4x-sin3x)/tan5x
=limx->04x/tan5x-lim(x->0)sin3x/tan5x
=4/5-3/5
=1/5