Question

Emily Hong

第二題

了         4x一1    品     影     >有0
[3               0 回        >》   下入
詳解               回  yaz 二 +       說)                 和

|e11】

交 寢:舌和是   。 示 一用  息災
語 數 , 若三次不等式 ge一2V2x1+(A一1) <0無實數解,則的範圍為L 一

2             店二六
全和/<?

 

 

ee wi品為忌

Answer 1

✨ 最佳解答 ✨

我之前叫樵哥，可是那支帳號消失了：（

skr skr

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Let me pick k=-2 into the inequality, will be meet. So l think the answer ......

我之前叫樵哥，可是那支帳號消失了：（

呃…… k=-2代進去得Xmax=-1/根號2 Ymax=-2 不就<0了嗎==

Call me Bravo

I don’t think so, please check the picture

我之前叫樵哥，可是那支帳號消失了：（

Sir,I think that u must misread the passage in the picture:)))) we have to find out the range of k which represents "無實數解"😎 (you've slapped your face according to your picture 😂)or i think you don't understand the geometric meaning of "無實數解" well:)))

Btw, is your native tongue English ?

Call me Bravo

No, my cell phone setups English skin only. I think the answer is k<-1, not k>2. If k>2, let inequality over 0, you can check it.