gpt: \(2\sqrt{3x+7}-5\sqrt[3]{x-6}=4\)
\(\left(x^2-3x+2\right)\left(x^2-12x+32\right)\le4x^2\)
\(\left(\sqrt{x+1}-1\right)\left(\sqrt{x^2-4x+7}+1\right)=x\)
Giải phương trình:
a, \(4\sqrt{x+3}-\sqrt{x-1}=x+7\)
b, \(2x\sqrt{x^2-x+1}+4\sqrt{3x+1}=2x^2+2x+6\)
c, \(\sqrt{2x-3}+\sqrt{5-2x}=3x^2-12x+14\)
d, \(\sqrt{7-x}+\sqrt{x-5}=x^2-12x+38\)
Giải phương trình:
a)\(\sqrt{7-x}+\sqrt{x-5}=x^2-12x+38\)
b) \(\sqrt{x-1}+\sqrt{x+3}+2\sqrt{x^2+2x-3}=4-2x\)
GPT \(\sqrt{x-2}+\sqrt{10-x}=x^2-12x+40\)
Giải PT,HPT
a, \(\sqrt{7-x}+\sqrt{x-5}=x^2-12x+38\)
b,\(\hept{\begin{cases}x^2+y^2+x+y=8\\x^2+y^2+xy=7\end{cases}}\)
Gpt: \(5\sqrt{x-1}-\sqrt{x+7}=3x-4\) (2 cách)
GPT:
1/ \(\sqrt{7x^2+20x-86}+x\sqrt{31-4x-x^2}=x+1\)
2/ \(\sqrt[3]{\frac{12x^2+12x+9}{4}}=x+\sqrt[4]{\frac{4x^3-2}{3}}\)
Gpt: \(1+\dfrac{1}{\sqrt{x^2-1}}=\dfrac{35}{12x}\)
GPT
A, X(X+5)=2\(\sqrt[3]{X^2+5X-2}\) -2
B,\(\sqrt[3]{1-X}\)+\(\sqrt{X+2}\)=1
C,13[(X^2-3X+6)^2+(X^2-2X+7)^2]=(5X^2-12X+33)^2
D,\(\sqrt{X+1}\)+\(\sqrt{X+8}\)=3X+\(\sqrt{2X}\)
E,\(\sqrt{X+2}\)+\(\sqrt{X^2+X+2}\)=2X+\(\sqrt{2X+1}\)