> 数学 >
求极限lim(x-0) x`2-sinx / x+sinx
人气:109 ℃ 时间:2020-04-09 10:51:30
解答
lim(x-0) (x²-sinx )/(x+sinx)
=lim(x-0)[x(x-1)/x(1+1)
=lim(x-0)[(x-1)/2
=-1/2
推荐
猜你喜欢
© 2025 79432.Com All Rights Reserved.
电脑版|手机版