Các câu hỏi tương tự
Cho bieu thuc :
C = ( 1 - 3x ) . x - 2x . ( x - 1 ) + 8
a ) Thu gon C
b ) Tinh gia tri bieu thuc voi x = -3
c ) Tim x de C = 8
d ) Tim ngiem cua C
dau . la dau nhan nha cac bn
nhanh nhanh nha mk dang can gap
tim x biet :
a. 3x+4 _>7
b. -5x+1<11
c. \(\frac{5}{x-3}\)< 0
d. \(\frac{-7}{2-x}\)> 0
giup mk voi ai bit thi giup mk tick
tim x biet
x^2+3x0
b) x-3/x+2 <0
c) x{x-1}{x+1/3}0
ai nhanh mk tk
luu y : { } la dau ngoc don !
tim x biet /x+1/+/x+3/+....+/x+2013/=2014x
mk dg can gap ai lm dc mk tick cho 3 cai
f(x) = 2 (x^3 - x) + x^2 - 3x + 3 - x^3
a) Thu gon hai da thuc tren roi xep theo luy thua giam dan cua bien
b) Tinh f(-1);g (1/2)
c) Tim f(x) + g(x);f(x) - g(x)
d) Tim gia tri cua x de f(x) = g(x) (giup mk voi mk dang can gap)
\(\frac{x-1}{2}=\frac{y-2}{3}=\frac{z-3}{4}vax-2y+3z=14\)
de bai la tim x, y, z biet
giup mk
mk tk
mk dag voi
Tim x biet:
X-2√x=x
Giuc mk voi
ai onl giai gap cho mk voi nha!
Tim x,y, biet :
\(\left(x+\frac{1}{2}\right)^2+\left(y-\frac{1}{2}\right)^{1998}=0\)
tim gia tri lon nhat hoac nho nhat
(2 x-3)2+4| y-2| -3( x-9)2+| y-3 |1gip mk voi gia ho mk voi