Các câu hỏi tương tự
tim z,y,z thoa
can x cong can tat ca y tru 1 cong can tat ca z tru 2 bang 1 phan 2 ( x cong y cong z)
tim GTN cua B bang 1 phan x tru can x cong 1
tim x thuoc z de can x cong 1 phan can 3 tru 3 la so nguyen
tinh tong T bang 1 phan can 1 cong can 2 cong 1 phan can 2 cong can 3 cong ... cong den 1 phan can 99 cong can 100
can[x+2+3can(2x-5)]+can[x-2-can(2x-5)]=2can2
phan tich ;can (x+10x+21)=3can(x+3) + 2can(x+7)-6
2can(2x+3y)+can(5-xy)=7
va 3can(5-x-y)-can(2x+y-3=1
tim tap xac dinh cua ham so
y=3nhan x binh phuong -x tren cho( gia tri tuyet doi cua x binh phuog -x) +(giá tri tuyet doi cua x-1)
y=(can x+2)+(can 3-2x) tren cho (gia tri tuyet doi cua x) -1
Y=2mx+m+1(d1)
Y=(m-1)x+3(d2)
tim m de (d1) va (d2) giao nhau tai 1 diem tren tru Ox
choham so y= (2m-1)x+m-3 (d)
a,Tim m de do thi ham so cat truc hoanh tai diem co hoanh do x=\(\sqrt{2}\)-1
b, Tim m de (d) cat (d1):y=x+5 tai diem tren truc tung
Tren mat phang toa do Oxy , cho duong thang y= ( 2m + 1)x -4m-1 va diem A ( -2;3).Tim m de khoang cach tu A den duong thang tren la lon nhat
\(y=f\left(x\right)=\left(m-1\right)x+2m-3.\)
voi m thuoc R va m khac 1. tim m de ham so tren dong bien nghich bien