giai phuong trinh \(x^4-2x^3+4x^2-3x-4=0\)
GIAI PHUONG TRINH:
\(2\left(\sqrt{\frac{x-1}{4}-3}\right)=2\sqrt{\frac{4x-4}{9}}-\frac{1}{3}\)
giai phuong trinh :\(\frac{2}{x^2+4x+3}\)+\(\frac{5}{x^2+11x+24}\)+\(\frac{2}{x^2+18x+80}\)=\(\frac{9}{52}\)
giai phuong trinh 4x^2+ 3x+ 3= 4x canx+ 3 +2 can2x- 1
Giai he phuong trinh bang phuong phap cong va phuong phap the
<=> \(\left\{{}\begin{matrix}4x+3x=-6\\\dfrac{x+3y}{3}-\dfrac{y-2}{5}=1\end{matrix}\right.\)
giai phuong trinh can(x^2-4x+6)=x+4
\(x^2-3x+\sqrt{x+5}-\sqrt{10-4x}=-2\)
Giai phuong trinh
giai he phuong trinh
2x^2+y^2-3xy+3x-2y+1=0
4x^2-y^2+x+4=cbh(2x+y)+cbh(x+4y)
cbh là Căn bậc hai
giai phuong trinh 5^4-2 x^2 +3x^2√(x^2 +2)=4
