> 数学 >
解不等式(3-4x)(x的平方+x+2)分之x(x-1)(x-2)的三次方(x平方-1)(x三次方-1)大于0
人气:440 ℃ 时间:2019-10-14 00:12:00
解答
x(x-1)(x-2)³(x+1)(x-1)(x-1)(x²+x+1)/[(3-4x)(x²+x+2)]>0x(x-1)³(x-2)³(x+1)(x²+x+1)/[(3-4x)(x²+x+2)]>0x²+x+1=(x+1/2)²+3/4>0x²+x+2=(x+1/2)²+7/4>0所以...
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版