极限ln(1+3X)/sinax =1 求a? X从右边趋向0

问题描述:

极限ln(1+3X)/sinax =1 求a? X从右边趋向0

1=ln(1+3X)/sinax =3X/sinax =3/a
a=3我是新手 有详细解说吗?谢谢1=lim ln(1+3X)/sinax =lim 3X/sinax =3/aa=3