-10(5/1y-2)+2/1(y+6)-10(5/1y-2)+2/1(y+6)
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-10(5/1y-2)+2/1(y+6)-10(5/1y-2)+2/1(y+6)
-10(5/1y-2)+2/1(y+6)
-10(5/1y-2)+2/1(y+6)
-10(5/1y-2)+2/1(y+6)-10(5/1y-2)+2/1(y+6)
-10(5/1y-2)+2/1(y+6)
=-2y+20+0.5y+3
=-1.5y+23
y (3y^2+8y-3)-6y(3y+2y-1)+9y
(2y+1)(3y-1)+(2-y)(6y-1)
3(Y+1)^2-5(Y+1)(Y-1)+2(Y-1)^2,化简
方程5y(2y-3)=(y+2)(y-2)-1
(y+1)分之(2y+3)=(3y+4)分之(6y+7)
一道平方差公式题(Y+2)(Y-2)-(Y-1)(Y+5)
[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),'.')
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1、求下列微分方程的通解:(1)2y‘’+y‘-y=2ex (2)2y‘’+5y‘=5x2-2x-1 (3)y‘’-6y‘+9y=e3x(x+
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5y²-(y-2)(3y+1)-2(y+1)(y-5)计算
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