\(\frac{2x+2}{\left(x+1\right)\left(x-1\right)}.ĐKXĐ:x\ne\pm1\)
\(=\frac{2\left(x+1\right)}{\left(x+1\right)\left(x-1\right)}=\frac{2}{x-1}\)
~~
Các câu hỏi tương tự
-x -y^2 - x^2 - y
Rut gon bthuc nay
moi nguoi giup mk nhanh nha ! thanks trc !
(4x^2-16x/1-2x+x^3) :(3x+6/1-x)
xin moi nguoi giup e
Rut gon a biet a=(x^2-2x/2^2+8+2x^2/8-4x+2x^2-x^3)x(1-1/-2/^2)
Ai giup minh minh tick nha ::)))
mk can cau tra loi ngay mong moi nguoi giup do
Cho ab(x^2+y^2)+xy(a^2+b^2)=ab trong do a khac 0, b khac 0 a+b=1
CMR:a=b
( x + 1 )2 +3( x - 5)(x+ 5)-( 2x-1)2
giup minh voi cac ban
de bai la rut gon
Mong moi nguoi giup do
. Toan lop 8
Tim GTLN cua:
\(Q=-2x^2+10x\)
\(N=-5x^2+6x+3\)
\(P=4-x^2+2x\)
\(H=-9x^2+6x-2\)
rut gon roi chung minh bt sau ko am voi moi gt cua x
x4+x3+x+1/x4-x3+2x2-x+1
tim x de A thuoc Z biet A=x^2-3x+1/x+1 .Moi nguoi giup minh giai bai nay trong trua nay nha
a,x2 (x+1)-(x+3)(x2-3x+9)
b, 2 (x2-1)-(x-1)2-(x+1)2
MOI NGUOI GIUP EM VS A !!