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tim gia tri lon nhat cua bieu thuc
\(D=\frac{x^2+8}{x^2+3}\)
\(C=\frac{1}{2\left(x-1\right)^2+3}\)
gia tri lon nhat cua bieu thuc C=3/|x-1|+(x-1)^4+1 + 1/2
1. so x0 thoa man frac{5}{x}frac{x+1}{22}2. GTLN cua x thoa man 5^{left(x-2right)left(x+3right)}3. Gia tri x0 thoa man /x^2+50//-2x^2-1/4. Gia tri nguyen cua x thoa man left(3x-4right)^5^{left(3x-4right)^7}la x5. So gia tri cua x thoa man /x-2014/+/x-2015/06. Gia tri cua x de bieu thuc Afrac{x-3+5}{3-x+2}dat gia tri lon nhat la x
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1. so x>0 thoa man \(\frac{5}{x}=\frac{x+1}{22}\)
2. GTLN cua x thoa man \(5^{\left(x-2\right)\left(x+3\right)}\)
3. Gia tri x<0 thoa man /\(x^2+50\)/=/\(-2x^2\)-1/
4. Gia tri nguyen cua x thoa man \(\left(3x-4\right)^5\)=\(^{\left(3x-4\right)^7}\)la x=
5. So gia tri cua x thoa man /x-2014/+/x-2015/=0
6. Gia tri cua x de bieu thuc A=\(\frac{x-3+5}{3-x+2}\)dat gia tri lon nhat la x=
tinh nhanh gia tri cua bieu thuc voi x,y nhan bat ki gia tri nao:
\(\frac{1}{3}x^2y\left(3xy\right)^2y^4+\frac{1}{2}x\left(-2xy\right)^3y^4+x^4y^7+18\)
gia tri lon nhat cua bieu thuc B = \(\frac{3.3}{1.5+x^2}\)
Tim gia tri lon nhat cua bieu thuc P = -2|x-1|-7
TIM GIA TRI LON NHAT CUA BIEU THUC :
C=2+12/3x/X+5/+4
TIM GIA TRI NHO NHAT CUA BIEU THUC
C= -15/ 4x / 3X+7/+3
Cho x,y,z khác 0 và x-y-z=0 . tinh gia tri cua bieu thuc \(\left(1-\frac{z}{x}\right)\left(1-\frac{x}{y}\right)\left(1+\frac{y}{z}\right)\)
tim gia tri nguyen cua x de cac bieu thuc sau co gia tri lon nhat tim gia tri do\
A=\(\frac{1}{7-X}\)
B=\(\frac{27-2X}{12-X}\)
C=\(\frac{14-X}{4-X}\)
D=\(\frac{7X-8}{2X-3}\)