\(3^{x-1}+5\times3^{x-1}=162\)
\(3^{x-1}\left(5+1\right)=162\)
\(3^{x-1}\times6=162\Rightarrow3^{x-1}=162\div6\)
\(3^{x-1}=27\Rightarrow3^{x-1}=3^3\)
\(\Rightarrow x-1=3\)
\(\Rightarrow x=4\)
Tim x
\(\left(7x+2\right)^{-1}=3^{-2}\)
Cac ban vui long giai day du giup minh
\(\left(0,25\right)^4\times1024\)
Cac ban vui long giai day du giup minh. Thanks truoc
/x-1/+/(x-1)(x+1)/=0
tim x
giai giup minh coi cac ban
cam on
Tim gia tri nho nhat
A=/x-2010/+/x-2011/
B=/x-1/+/x-2/+/x-3/+2011
C=5\(x^2\)+20x+2010
cac ban giai va cach trinh bay nhe
minh kich dung cho
giai giup minh voi
1. Tim cac so x,y,z biet: 5x=8y=20z va x-y-z=3
(Giai day du gium mk nhe mk cho 1 like cho nguoi giai som nhat)
/x-2017/+/x-2018/=1
Cac ban giup minh giai bai nay nha thank you
Cac ban oi giup minh voi
tim x biet 6.4/x=x/99tim cac so nguyen biet (|x|-3)(x^2+4) be hon hoac bang 4hai dia diem a va b cach nhau 90kmhai nguoi di xe dap cung mot luc tu ava bde gap nhau va ho gap nhau cach a 50km;nhung neu nguoi di tu b di nhanh hon xuat phat truoc nguoi a 1 gio thi ho gap nhau cach a 350/9km tinh van toc moi nguoiCac giai ho minh voi minh se tick cho
Cac ban nho viet ho cach lam min voi
-x^3-2x^2+7-(-3x^4+x^3+10x^2-7=?
giai day du cho to nhe to se tick cho cam on cac ban nhiu
1.l2x-1l + 3 = 3
2.lx-2l + 1 = 2
3.lx-1l+3 = 1
4.lx2-9l + lx+3l = 0
5.lx-2l = x - 2
6. lx-3l = 3-x
Cac ban giup minh giai nhanh nhan vi thu tu minh nop roi
