t(1-4t)/(4t+3)^2求最值t属于闭的0到开的1/4
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t(1-4t)/(4t+3)^2求最值t属于闭的0到开的1/4
t(1-4t)/(4t+3)^2求最值
t属于闭的0到开的1/4
t(1-4t)/(4t+3)^2求最值t属于闭的0到开的1/4
下面平方后 上下同除t 然后用均值不等式的性质求解
(2t+3)(2t-)-(4t+1)(t-9)
(t^5+t^4+t^3+t^2+t+1)(t-1) 用直式计算
5t-3≤4t-1 7+2t>6+3t 3+t
5t-3≤4t-1 7+2t>6+3t 3+t
4t^-8t+5-3t^+6t-2 其中t=2/1
(t+3t^2-3)-(-t+4t^2) 化简
(t+3t^2-3)-(-t+4t^2) 化简
参考身高: 2T 3T 4T 5T 6T 8T是什么意思
画出下列信号的波形1)f(t)=tu(t); 2)f(t)=t[u(t)-u(t-2)]; 3)f(t)=(t-1)u(t-1); 4)f(t)=sint/t画出图形~
3t/4t-6,t+1/4t^2-9
4t^3-3t^2-2t+1=0 t等于多少
[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),'.')
13-20t+4t*t*t-20t*t*t*t=0,求t?
已知t-(2)/t=3,求4t/(t的平方-7t-2)
t(1-4t)/(4t+3)^2求最值t属于闭的0到开的1/4
matlab中怎么对下面的程序进行二维插值并画出三维视图呢?[x,y]=meshgrid(-2:1:2);t=2;Z=[(sin(t))^3 t^2 sin(t) cos(t) (sin(t))^2;t^2 sin(t) (cos(t))^4 cos(t) (sin(t))^2;t sin(t) cos(t) t^2 (sin(t))^2;sin(t) (cos(t))^3 t^2 (sin(t))^2
(t+3t²-3)-(-t+4t²)
(t*t)-4t+3=0求t