\(2\sqrt{x}=14\Leftrightarrow\sqrt{x}=7\Leftrightarrow x=49\)
\(2\sqrt{x}=14\Leftrightarrow\sqrt{x}=7\Leftrightarrow x=49\)
so sanh \(^{2^{225}}\) va \(^{3^{150}}\) mong cac ban giup mik vs
ghi ro cach lam ra luon nha cac ban
mik dang can gap cam on cac ban nhieu
Tim so nguyen x de cac phan so sau co gia tri nguyen:
a) \(\frac{13}{x-5}\) b)\(\frac{x+3}{x-2}\) c)\(\frac{2x}{x-2}\)
GIUP MINH NHA MAI THI HKII ROI
tim so nguyen x biet 17-x=7-6x
tim x biet : |x+4|+|x-2|-|x-4| =3
Giai giup minh cac phuong trinh nay voi a !!!! hepl pls
a) P = \(\left\{x\in R|x^4-3x^3-6x^2+3x+1=0\right\}\)
b) Q=\(\left\{x\in R|\text{x^4 + 6x^3 + 6x^2 -6x +1 = 0 }\right\}\)
tim x: (2x+1)(\(\sqrt{\sqrt{x+1}+2}\))-x-1=0
tim tap xac dinh \(\frac{1}{\sqrt{x-2\sqrt{x-1}}}\)
tim cac so tu nhien n de cac phan so sau la phan so toi gian
2n+3 tren 4n+1
cho 2 so tu nhien co 2 chu so. biet so lon hon so be 16 don vi. ghep 2 so do ben canh nhau ta duoc 2 so co 4 chu so co tong la 5454 . tim so lon