\(D=\dfrac{-10}{\left|x\right|+10}\ge\dfrac{-10}{0+10}=-1\)
Dấu " = " xảy ra khi \(\left|x\right|=0\Rightarrow x=0\)
Vậy \(MIN_D=-1\) khi x = 0
\(D=\dfrac{-10}{\left|x\right|+10}\ge\dfrac{-10}{0+10}=-1\)
Dấu " = " xảy ra khi \(\left|x\right|=0\Rightarrow x=0\)
Vậy \(MIN_D=-1\) khi x = 0
Tim gia tri nguyên cua x de biểu thuc M=\(\dfrac{2014-x}{x-2013}\) có gia tri nho nhat?
tim gia tri nho nhat cua bieu thuc : \(\left|x-2013\right|+\left|x-2014\right|+\left|x-2015\right|\)
Tim gia tri nho nhat cua bieu thuc : A=\(\dfrac{21\left|4x+6\right|+33}{3\left|4x+6\right|+5}\)
Tim gia tri nho nhat cua bieu thuc :
a)A=\(\left|x+5\right|+2-x\)
b)B=\(\left|x-1\right|+x+6\)
Tinh gia tri h(x) voi x de da thuc :
\(\left(X+\dfrac{1}{2}\right)^2+1\)
Dat gia tri nho nhat
cho x+y=3. tim gt nho nhat cua bieu thuc |x+1|+|y-2|
/x-3/ = /x-2/ = 7
Tim gia tri cua x
(cac bn chi can ghi ket qua thui nha )
Tim cac GTNN cua cac bieu thuc sau
a/ \(^{\left(x-3\right)^2+2}\)
Tim GTNN cua bieu thuc A=|x-2|+|x-10|