lim (π/2-arctanx)/1/x x大于0
问题描述:
lim (π/2-arctanx)/1/x x大于0
答
-> x*(Pi/2-arctan(x))
答
lim(x→0) (x/2-arctanx)/(1/x)
=lim(x→0) (x/2-arctanx)*x
=(0/2-0)*0
=0