Ta có:M=\(\dfrac{2014-x}{x-2013}\)
=\(\dfrac{-x+2014}{x-2013}\)=\(\dfrac{-\left(x-2013-1\right)}{x-2013}\)=\(\dfrac{1}{x-2013}\)
Để M có giá trị nhỏ nhất thì\(\dfrac{1}{x-2013}\)=1
=>x=2014
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 cac biet thuc sau: D=-10//x/+10
Tinh gia tri h(x) voi x de da thuc :
\(\left(X+\dfrac{1}{2}\right)^2+1\)
Dat gia tri nho nhat
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=\(\left|x-1\right|+x+6\)
Cho a thuc B(x) = m^2 x^ 2016 +2 mx^2015 +1 Tim gia tri M de B (x) có nghiêm là -1
tim gia tri lon nhat :
D=\(\dfrac{2\left|x\right|+3}{3\left|x\right|-1}\)
tim gia tri cua x : 0,7516 : x=(9/16)8
Tim n nguyen de bieu thuc co gia tri nguyen :
A= \(\dfrac{3n+1}{n+1}\) ( voi n khac -1)
