k为何值时,不等式1/2(kx+8)>3恒成立
来源:学生作业帮 编辑:百度作业网作业帮 分类:数学作业 时间:2024/07/18 23:28:29
k为何值时,不等式1/2(kx+8)>3恒成立
wo 要过程``````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````gogo加油
wo 要过程``````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````````gogo加油
![k为何值时,不等式1/2(kx+8)>3恒成立](/uploads/image/z/15130278-54-8.jpg?t=k%E4%B8%BA%E4%BD%95%E5%80%BC%E6%97%B6%2C%E4%B8%8D%E7%AD%89%E5%BC%8F1%2F2%28kx%2B8%29%3E3%E6%81%92%E6%88%90%E7%AB%8B)
化 简 一 下
1 / 2 k x + 1 > 0
就 可 看 出 k = 0恒成立
1 / 2 k x + 1 > 0
就 可 看 出 k = 0恒成立
当K何值时,不等式1/2(KX+8)》3X永远成立.当K何值时,不等式1/2(KX+8)》3X永远成立.
当k为何值时,对任意实数x,不等式kx^2-(k-2)x+k大于0都成立.
k为何值时,2x^2+2kx+k/4x^2+6x+3<1对一切实数x恒成立
k为何值时,不等式kx²-(k-2)x+k
当k取什么值时,一元二次不等式2x2+kx+(8/3)>0对一切实数成立
当k为何值时,不等式0≤3x平方加kx加6/x平方减x加1≤6对任意实数x恒成立
当x为全体实数时,不等式kx平方-kx+1>0恒成立,求k的取值范围
对于任意的x属于[0,1]不等式组2kx-x^2>k-4,x^2-kx>k-3均成立,求k的取值范围
当k取什么值时,一元二次不等式2kx∧2+kx-3/8<0对一切实数x都成立?
当k取什么值时,一元二次不等式2kx的平方+kx-3分之8小于o零对于一切实数成立
当k取何值时,关于x的不等式2kx平方+kx-3分之8<0对于一切实数x都成立.
当k取什么值时,一元二次不等式2kx+kx-3/8<0对一切实数x都成立?