(1-3y)^2+(2y-1)^2>13(y-1)(y+1)的非负整数解
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(1-3y)^2+(2y-1)^2>13(y-1)(y+1)的非负整数解(1-3y)^2+(2y-1)^2>13(y-1)(y+1)的非负整数解(1-3y)^2+(2y-1)^2>13(y-1)(y+
(1-3y)^2+(2y-1)^2>13(y-1)(y+1)的非负整数解
(1-3y)^2+(2y-1)^2>13(y-1)(y+1)的非负整数解
(1-3y)^2+(2y-1)^2>13(y-1)(y+1)的非负整数解
将方程的完全平方和平方差都展开,二次项的式子左右两边都消掉了
化简得y<1.5,非负整数解就是1和0了.
1和0,展开方程解就行,一次的,二次项全都抵消了
y (3y^2+8y-3)-6y(3y+2y-1)+9y
通分 y+3/y*y-6y+9,1/2y+6,y-1/y*y-9
y(y-2)²-y(y+3)(y-5) y=1/2 化简求值
y(y-2)²-y(y+3)(y-5) y=1/2 化简求值
y(y-2)²-y(y+3)(y-5) y=1/2 化简求值
方程y''-4y'+13y=0的通解方程y''=(1+y'*y')/2y的通解
解不等式:(1-3y)^2-13(y+1)(y-1)>3-(2y-1)^2
解方程(1-3y)^2+(2y-1)^2=13(y-1)(y+1)
求不等式(1-3y)^2+(2y+1)^2>13(y-1)(y+1)
4y²-4y/y²-2y+1÷(y+1/y-1-y-1/y+1)÷(3y+3)
[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),'.')
解方程3y^2-(2y+1)(y-2)=(y-5)(y-1)
5y∧2-(y-2)(3y+1)-2(y+1)(y-5)
解方程:3y^2-(2y+1)(y-1)=(y-5)(y+1)
2(y-4)(3y+2)-5(-3y+7)(y+1),其中y=-1
解方程:3y²-(2y+1)(y-2)=(y-5)(y+1)
(y-4)(3y+2)-(3y-7)(2y+1),其中y=4/3
Y(Y-1)-(y-2)*(y+3)=2 Y的解是多少?