> 数学 >
解不等式(x2-5x-17)/(-x2+2x-2)>1
人气:143 ℃ 时间:2020-09-15 17:18:14
解答
(x²-5x-17)/(-x²+2x-2)-1>0
(x²-5x-17+x²-2x+2)/(-x²+2x-2)>0
两边乘-1
(2x²-7x-15)/(x²-2x+2)
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版