方程是啥?
如果為:x^0.75-x^0.25=0.75
令t=x^0.25,則x^0.75=t^3
方程化為:t^3-t=0.75,
解得:t=1.26255112740716
x=t^4=2.540948695
如果為:x^0.75-x^0.25=x
令t=x^0.25,則x^0.75=t^3,x=t^4
方程化為:t^3-t=t^4
即t=0,或t^3-t^2+1=0
后者解得:t=-0.754877666246692
因此有x=0 或x=t^4=0.324717957哦哦,是x^0.75-x^0.25=0.75 謝謝這位童鞋!
解方程:x^0.75-x^0.25=0.75 求x
解方程:x^0.75-x^0.25=0.75 求x
就是x的0.75次方減去x的0.25次方等于x,
就是x的0.75次方減去x的0.25次方等于x,
數(shù)學人氣:112 ℃時間:2020-03-29 19:05:04
優(yōu)質(zhì)解答
我來回答
類似推薦
- 解方程. 1-25%x=0.75; 3/4x?25%x=10; 2x?1/8×4=2/3.
- 0.75:X=2.25÷1/2解方程
- 解方程 3.75:0.25=x:4
- 解方程 25%x=75
- 解方程:x/4+0.25=75%
- 已知實數(shù)x,y滿足2x+3y≤14,2x+y≤9,x≥0,y≥0,S=3x+ay,若S取得最大值時的最優(yōu)解有無窮多個,則實數(shù)a=?
- 請問這種成分還屬301不銹鋼嗎?(C-0.1003;Si-0.2467;Mn-2.2387;p-0.358;S-0.169;Cr-14.6342;Ni-6.0215)
- X=2*3*5*7*11*13*17*19*23*29*.N(N為質(zhì)數(shù)),求證:X+1為質(zhì)數(shù)
- 若√2007n是個非零整數(shù),則最小整數(shù)n是?
- Either I or he ( )soccer with Tom 四個選項 play are plays is
- .the music festival was great!Many famous people (attended) it.
- 如果(M)表示m的全部因數(shù)的和,如(4)=1+2+4=7,則(18)-(21)=()