\(P=\dfrac{10}{x^2-2x+2}=\dfrac{10}{x^2-2x+1+1}=\dfrac{10}{\left(x-1\right)^2+1}\)
Do \(\left\{{}\begin{matrix}10>0\\\left(x-1\right)^2+1\ge1;\forall x\end{matrix}\right.\)
\(\Rightarrow P\le\dfrac{10}{1}=10\)
\(P_{max}=10\) khi \(x=1\)
\(P=\dfrac{10}{x^2-2x+2}=\dfrac{10}{x^2-2x+1+1}=\dfrac{10}{\left(x-1\right)^2+1}\)
Do \(\left\{{}\begin{matrix}10>0\\\left(x-1\right)^2+1\ge1;\forall x\end{matrix}\right.\)
\(\Rightarrow P\le\dfrac{10}{1}=10\)
\(P_{max}=10\) khi \(x=1\)
TÌm GTLN B =2x-2x^2-5
K = -x^2-y^2-x+6y+10
Tìm GTLN của:
a, A=-x2+6x-10
b,B=-2x2-4x-10
c,-2x2+3x-10
d,-x2-y2+2x-4y-10
e,-x2-3y2-2xy-2x+2y-10
TÌm GTLN B =2x-x^2-5
K = -x^2-y^2-x+6y+10
Tìm GTLN của:
a, A=-x2+6x-10
b,B=-2x2-4x-10
c,-2x2+3x-10
d,-x2-y2+2x-4y-10
e,-x2-3y2-2xy-2x+2y-10
Tìm GTLN:
a) 1/2x - x^2
b) -x^2 + 16x -10
Tìm GTLN:
a) 1/2x - x^2
b) -x^2 + 16x -10
tìm gtln
x-x2
10+3x-2x2
B=\(\dfrac{10}{x^2-2x+2}\)
Tìm GTLN của B
Tìm GTLN của:
a, A=-x2+6x-10
b,B=-2x2-4x-10
c,-2x2+3x-10
d,-x2-y2+2x-4y-10
e,-x2-3y2-2xy-2x+2y-10