求极限lim(x->正无穷大)(x+sinx)/x

问题描述:

求极限lim(x->正无穷大)(x+sinx)/x

lim(x->正无穷大)(x+sinx)/x
=1+lim(x->正无穷大)sinx/x
∵ -1/x正无穷大)1/x=0
∴ lim(x->正无穷大)sinx/x=0
∴ lim(x->正无穷大)(x+sinx)/x=1