tim max,min
1. Xet cac so thuc x,y t/m
$$x-3\sqrt{x+1}=3\sqrt{y+2}-y
$$. Tim max,min
$$P=x+y.
$$2. Tim max,min
$$y=(3cosx+4sinx)^{2}-2(3cosx+4sinx)+5
$$.
GTLN, GTNN
tim max,min
1. Xet cac so thuc x,y t/m x-3\sqrt{x+1}=3\sqrt{y+2}-y. Tim max,min P=x+y.2. Tim max,min y=(3cosx+4sinx)^{2}-2(3cosx+4sinx)+5.
GTLN, GTNN
tim max,min
1. Xet cac so thuc x,y t/m
$$x-3\sqrt{x+1}=3\sqrt{y+2}-y
$$. Tim max,min
$$P=x+y.
$$2. Tim max,min
$$y=(3cosx+4sinx)^{2}-2(3cosx+4sinx)+5
$$.
GTLN, GTNN