TK: https://hoc24.vn/cau-hoi/giai-phuong-trinh-x1sqrt2x2-2x-2x2-3x-2.261337627197
TK: https://hoc24.vn/cau-hoi/giai-phuong-trinh-x1sqrt2x2-2x-2x2-3x-2.261337627197
Giải PT: \(\sqrt{x-1}+\sqrt{x+3}+2\sqrt{\left(x-1\right).\left(x^2-3x+5\right)}=4-2x\)
Giải pt sau:
a. \(\sqrt{2x^2-3x-11}=\sqrt{x^2-1}\)
b. \(\sqrt{2x^2+3x-5}=x+1\)
c. \(\sqrt{\left(x+2\right)^2}=\sqrt{3x^2-5x+14}\)
d. \(\sqrt{\left(x-1\right)\cdot\left(2x-3\right)}=-x-9\)
Giải PT và HPT
a) \(\sqrt{10x+1}+\sqrt{3x-5}=\sqrt{9x+4}+\sqrt{2x-2}\)
b) \(\left\{{}\begin{matrix}x^2-5y^2-8y=3\\\left(2x+4y-1\right)\sqrt{2x-y-1}=\left(4x-2y-3\right)\sqrt{x+2y}\end{matrix}\right.\)
Giải pt:
\(x^3+3x+2=\left(x+2\right)\sqrt{x^3+2x+1}\)
Giải các pt sau:
a) \(\sqrt{x+8}+\frac{9x}{\sqrt{x+8}}-6\sqrt{x}=0\)
b) \(x^4-2x^3+\sqrt{2x^3+x^2+2}-2=0\)
c) \(3x\sqrt[3]{x+7}\left(x+\sqrt[3]{x+7}\right)=7x^3+12x^2+5x-6\)
d) \(4x^2+\left(8x-4\right)\sqrt{x}-1=3x+2\sqrt{2x^2+5x-3}\)
e) \(16x^2+19x+7+4\sqrt{-3x^2+5x+2}=\left(8x+2\right)\left(\sqrt{2-x}+2\sqrt{3x+1}\right)\)
f) \(\left(5x+8\right)\sqrt{2x-1}+7x\sqrt{x+3}=9x+8-\left(x+26\right)\sqrt{x-1}\)
g) \(\sqrt[3]{3x+1}+\sqrt[3]{5-x}+\sqrt[3]{2x-9}-\sqrt[3]{4x-3}=0\)
Giải Pt:
\(\left(4x-1\right)\sqrt{x^2+1}=2x^2-2x+2\)
Em cảm ơn ạ.
Giải PT: \(\sqrt{\left(x^2+2x\right)^2+4\left(x+1\right)^2}-\sqrt{x^2+\left(x+1\right)^2+\left(x^2+x\right)^2}=2019\)
Giải phương trình
a) \(\left(\sqrt{1+x}+\sqrt{1-x}\right)\left(2+2\sqrt{1-x^2}\right)=8\)
b) \(\sqrt{2x+3}+\sqrt{x+1}=3x+2\sqrt{2x^2+5x+3}-16\)
1\(\left\{{}\begin{matrix}xy\left(x+y\right)=2\\x^3+y^3+x^3y^3+7\left(x+1\right)\left(y+1\right)=31\end{matrix}\right.\)
2 giải pt \(9+3\sqrt{x\left(3-2x\right)}=7\sqrt{x}+5\sqrt{3-2x}\)