>
数学
>
怎么求(t^2+(2根号2)t)/(t^2+1)最值
人气:428 ℃ 时间:2020-03-19 18:37:33
解答
a=(t^2+2√2t)/(t^2+1)
at^2+a=t^2+2√2t
(a-1)t^2-2√2t+a=0
t是实数则方程有解
所以判别式大于等于0
所以8-4a(a-1)>=0
a^2-a-2
推荐
已知a=2*(3-b)根号+(3b-9)根号+2,求(ab-1/a+b)根号除以根号a乘根号b的值
根号2+根号1分之一+根号3+根号2分之一+根号4+根号3分之一+.+根号9+根号8分之一的值是?
已知a=2+根号3分之1,b=2-根号3分之1,求a分之b减b分之a的值
已知x=根号3-1/根号3+1,y=根号3+1/根号3-1,求大根号x2+y2-2的值
判断代数式t^2+1/t的最小值是2根号t(t>0)
Go ()along the road.The bus stop is at the end of it.
什么是二倍角、什么是log
设定义在[-2.2]上的偶函数f(x)在区间[0.2]上单调递减,若f(1-m)
猜你喜欢
不等式x^2+mx+m/2>0对任意实数x恒成立,则实数a的取值范围是?
THe invention of internet helped bring into popular usage___a wide range of new words
大小两圆的直径比是3:2,小圆周长比大圆周长的1/2还多4.71厘米,求大圆半径和小圆面积
Will it b______ you if I turn on the radio该怎么写呢
(5m十1)的平方减(5m十1)乘(5m-1)
一道高一三角函数恒等变换题
lend me it 还是lend it to me
lt is six thirty in the morning.Ron m_____ get up.He puts up his clothes,but can't f_____ his shoes.He put them under th
© 2025 79432.Com All Rights Reserved.
电脑版
|
手机版