2y+1/4+10y+1/6=1-1-2y/3

来源：学生作业帮助网 编辑：作业帮 时间：2024/12/01 17:10:15
2y+1/4+10y+1/6=1-1-2y/3
xj0_ESz,.iBtXK L}:tRBs_dM UOfYyԐE#mRX*$pMR2,G~a@݄`0

2y+1/4+10y+1/6=1-1-2y/3
2y+1/4+10y+1/6=1-1-2y/3

2y+1/4+10y+1/6=1-1-2y/3
(2y+1)x6+(10y+1)x4=24-(1-2y)x8
12y+6+40y+4=24-8+16y
12y+40y-16y=24-8-6-4
36y=6
y=1/6


2y+1/4+10y+1/6=1-1-2y/3
12y+1/4+1/6=-2y/3
36y/3+2y/3 =-1/4-1/6
38y/3=-5/12
152y=-5
y=-5/152

-5／152

  1. 消除分数  24y+3+120y+2=-8y;

  2. 合并同类项  (144+8)y=-5;

  3. y=-5/152

2-（4-y)=6y-2（y+1) 2-(4-y)=6y-2(y+1) [T,Y]=ode45(@rigid,[0 1],[rand(15,1)]);plot(T,Y(:,1),'-',T,Y(:,2),'-.',T,Y(:,3),'.',T,Y(:,4),'-',T,Y(:,5),'-.',T,Y(:,6),'.',T,Y(:,7),'-',T,Y(:,8),'-.',T,Y(:,9),'.',T,Y(:,10),'-',T,Y(:,11),'-.',T,Y(:,12),'-.',T,Y(:,13),'.',T,Y(:,14),'-',T,Y(:,15),'.') y (3y^2+8y-3)-6y(3y+2y-1)+9y (y-2)(y^2-6y-9)-y(y^2-2y-15),其中y=1/2.先化简再求值. 方程y''-4y'+13y=0的通解方程y''=(1+y'*y')/2y的通解 常微分方程的通解dy/dx=(x-y+1)/(x+y-3)y^4=2y^n+y=0y''+6y'+9y=e^(-3x)y''+y'-2y=4e^(2x) 方程y''=(1+y'*y')/2y的通解 2(y-4)(3y+2)-5(-3y+7)(y+1),其中y=-1 解分式方程（y+3)/(y^2+y)-1/(1-y)=4/y要过程 (y-4)(3y+2)-(3y-7)(2y+1),其中y=4/3 y'=1+y^2 通分 y+3/y*y-6y+9,1/2y+6,y-1/y*y-9 4y(y-1)=3 3y^2+2√6y=-2 解3y+5/3y-6=1/2+5y-4/2y-4 {3(x+y)-4(x-y)=4 {x+y/2 + x-y/6=1 （3y-1)(2y-3)+(6y-5)(y-4)=?xie （3y-1)(2y-3)+(6y+5)(y-4)=?