Rut gon bieu thuc A =\(\frac{x+5-5\sqrt{x-1}}{x-1-3\sqrt{x-1}}\)
Giup minh giai bai nay voi .
Cam on
Tim tat ca cac so nguyen x,y thoa man x^2 + 8y^2 - 6y - 2x + 6y + 6 = 0. ai biet giai giup minh voi,toan nang cao lop 9 do,cam on moi nguoi nhieu
Giai giup em bai nay voi a. : x(x+1)=y2+1
Cac ban ui, giup minh bai nay voi!
Cho hinh thang ABCD ( AB // CD ). Goc C = 36*, goc D = 50*. Biet AB=4cm, AC=6cm. Tinh chu vi hinh thang.
MInh cam on nhe! Minh chi biet la dung ti so luong giac cua goc nhon thui ( sin, cos, tg, cotg )!
Len men a(g) glucozo voi hieu suat 80%. Cho toan bo luong khi CO2 sinh ra hap thu het vao dung dich CA(OH)2 thu duoc 10g ket tua. Khoi luong dung dich sau phan ung giam 3,4g so voi ban dau. Tim a.
LAM ON GIAI NHANH GIUP MINH BAI NAY VOI!!!!! CAN GAP NHE!!!! CAM ON NHIEU!!!!
BAI 1 TINH GIA TRI CUA BTHUC
A=3PHAN 1+CAN 3 -2PHAN 1-CAN 3
B=CAN 10-CAN 5 PHAN CAN 2-1 -3CAN 5 +5PHAN CAN 5+3 +2 PHAN CAN 2
BAI 2 GIAI PT
a)CAN 49-28X+4X MU 2 -5=0
b)1PHAN 2 CAN X-2 -4 CAN 4X -8 PHAN 9 +CAN 9X+18 -5=0
MOI NGUOI GIUP MINH VS MINH CAN LUON BAY GIO
CAM ON
giai giup minh bai phuong trinh nghiem nguyen nay voi
x2+x=y2-19
x2+14xy+5y2=169
moi nguoi giai giup mk bai nay vs . gigi phuong trinh
(x+2)^2+(x+3)^3+(x+4)^4=2
ai giup minh giai cai bai nay voi
\(\hept{\begin{cases}x^2+y^2+2x+2y=11\\xy\left(x+2\right)\left(y+2\right)=24\end{cases}}\)
voi bai \(\hept{\begin{cases}x+y+xy=1\\x+z+xz=3\\z+y+yz=7\end{cases}}\)
