已知函数f(x)=(2^x-a)^2+(2^-x+a)^2,x∈[-1,1]问:关于x的方程f(x)=2a²有解,求实数a的取值范围(我算出的范围为[-17/6,-√2]U[√2,17/6])不确定...

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/16 01:54:27
xXNG~*UzDi{V^8drR;D(i0!Rٵx~̞8%TUUjof~r8?Ƌ52U6׭KMϧUwJ =e'{&;uyv,Mf}Y歯rwW; +k.WWWzy!6ppR;M6y{LƒK7GFFr_`|pB_ ]x߰sUܽyrOVy/ alJY>3 %MUϧa|BW 4`(/=99+MGc)gGn9;g8&N (項 AЯ c)l#[taSMђP-^x? s`޶iy믁H^C>wЛ=)S5PƄ,:c#>j RiI%mtRK10zH4N# 3-^, Ib [ ĐC N4q-EnRlv` LqSREOiژn&+g]Xou"/lEhr,I(=ftC[a ;? 1Vt!S2u747<}lHaEMRgHՅTX ( #6G(gb4Ƹ="ct.`X^\ Fhcoi\´G3HPA[8 AИŒPQ%_ݗES͈NUH+V㾷 RE^=G eK^1/V AaS@tM׊} y8";H>nUL* rg -(b;Qk1""y_f9Ȑ+)asds|W# "Ę3@ oC_($D祗2v2ZQ @fd͇v:ˀ,9@K&E1m5@d+ Wq2hVH3