x = 1 , 2 , 3 , 3 , 4 , .......... , 96
Đẳng thức hàm số
x = 1 , 2 , 3 , 3 , 4 , .......... , 96
Đẳng thức hàm số
1) Phan tich da thuc sau thanh nhan tu: x2-x-2008.2009
2) Chung minh rang voi moi x,y,z ta luon co: x2+4y2+z2>=2x+12y+4z
3) Cho a-b=4. Tinh gia tri cua bieu thuc: a3-12ab-b3
cac ban lam duoc cau nao thi giup mik nha. mik dang can gap lam
cho 2 bieu thuc A=x+x^2/2-x va B=2x/x+1+3/x-2-2x^2+1/x^2-x-2 a, tinh gia tri cua A khi /2x-3/=1 b,tim dieu kien xac dinh va rut gon bieu thuc B c,tim so nguyen x de P=A.B dat gia tri lon nhat
mk dang can gap
tim cac cap so nguyên (x,y) thoa man dang thuc
y(x-2)+3x-6=2
bai 1 sbt toan 8 tap 1 trang 23
dung dinh nghia 2 phan thuc bang nhau chung minh cac dang thuc sau
a)x^2\5=7x^3y^4\35xy
b)x^2(x+2)\x(x+2)^2=x\x+2
d)x^3-x^4\10-5x=-x^2-2x\5
a) Cho vidu ve 1 don thuc ,moi da thuc nhung k phai la don thuc 2 don thuc dong dang voi nhau,da thuc 1 bien
b) Hay viet 1 don thuc dong dang voi don thuc xy\(^3\) sao cho tai x=-1 y=2 gia tri cua don thuc do la so nguyen duong nho hon 10
CAC BAN GIUP MINH NHA MINH GAP LAM
Tim tat ca cac so thuc bac x thoa man
a)(2x-1)^2+(x-1)^3=3x+6
b) x+1= can bac x+3 ( ko viet dc can bac hi hi)
c)2x^2+1=5 . can bac x^2+1-4
Tim tat ca cac so thuc bac x thoa man
a)(2x-1)^2+(x-1)^3=3x+6
b) x+1= can bac x+3 ( ko viet dc can bac hi hi)
c)2x^2+1=5 . can bac x^2+1-4
Tim tat ca cac so thuc bac x thoa man
a)(2x-1)^2+(x-1)^3=3x+6
b) x+1= can bac x+3 ( ko viet dc can bac hi hi)
c)2x^2+1=5 . can bac x^2+1-4
tim tap hop cac so nguyen x de gia tri cua da thuc x^3+3x-5 chia het cho x^2+2