Giải phương trình vô tỉ:
a) \(4x^2-4x-10=\sqrt{8x^2-6x-10}\)
b) \(\sqrt{\left(x+1\right)\left(2-x\right)}=1+2x-2x^2\)
c) \(\sqrt{3x+8+6\sqrt{3x-1}}+\sqrt{3x+8-6\sqrt{3x-1}}=3x+4\)
d) \(2x\sqrt{x^2-x+1}+4\sqrt{3x+1}=2x^2+2x+6\)
Giải phương trình
a) \(\sqrt{x-2}=\sqrt{x^2-4x+3}\)
b) \(2\left(\sqrt{\dfrac{x-1}{4}}-3\right)=2\sqrt{\dfrac{4x-4}{9}}-\dfrac{1}{3}\)
c) \(\dfrac{9x-7}{\sqrt{7x+5}}=\sqrt{7x+5}\)
d) \(4+\sqrt{2x+6-6\sqrt{2x-3}}=\sqrt{2x-2+2\sqrt{2x-3}}\)
Giải phương trình vô tỉ:
a) \(1+\frac{2}{3}\sqrt{x-x^2}=\sqrt{x}+\sqrt{1-x}\)
b) \(\sqrt{2x+3}+\sqrt{x+1}=3x+2\sqrt{2x^2+5x+3}-2\)
c) \(\sqrt{7x+7}+\sqrt{7x-6}+2\sqrt{49x^2+7x-42}=181-4x\)
d) \(\frac{\sqrt{x+4}+\sqrt{x-4}}{2}=x+\sqrt{x^2-16}-6\)
e) \(5\sqrt{x}+\frac{5}{2\sqrt{x}}=2x+\frac{1}{2x}+4\)
g) \(\sqrt{3x-2}+\sqrt{x-1}=4x-9+2\sqrt{3x^2-5x+2}\)
Giải phương trinh sau:
a, \(\sqrt{\left(x+1\right)\left(x+2\right)}\) = \(x^2+3x-4\)
b, \(4x^2-4x-10=\sqrt{8^2-6x-10}\)
c, \(\sqrt{\left(x+1\right)\left(2-x\right)=1+2x-2x^2}\)
d, \(x^2+4x+5=2\sqrt{2x+3}.\)
e, \(2x^2+2x+1=\sqrt{4x+1}\)
f, \(x^2-6x+26=6\sqrt{2x+1}\)
\(g,2x^2-4x+3=2\sqrt{x-1}\)
h, ,\(4\sqrt{x+1}=x^2-5x+14\)
Mn giải giúp ai giải đúng tick điểm
Giải phương trinh sau:
a, \(\sqrt{\left(x+1\right)\left(x+2\right)}\) = \(x^2+3x-4\)
b, \(4x^2-4x-10=\sqrt{8^2-6x-10}\)
c, \(\sqrt{\left(x+1\right)\left(2-x\right)=1+2x-2x^2}\)
d, \(x^2+4x+5=2\sqrt{2x+3}.\)
e, \(2x^2+2x+1=\sqrt{4x+1}\)
f, \(x^2-6x+26=6\sqrt{2x+1}\)
\(g,2x^2-4x+3=2\sqrt{x-1}\)
h, ,\(4\sqrt{x+1}=x^2-5x+14\)
Mn giải giúp ai giải đúng tick điểm
Giải phương trình:
\(a)\sqrt{x^2+2x+4}\ge x-2\\ b)x=\sqrt{x-\frac{1}{x}}+\sqrt{x+\frac{1}{x}}\\ c)\sqrt{x+2+3\sqrt{2x-5}}+\sqrt{x-2\sqrt{2x-5}}\\ d)x+y+z+4=2\sqrt{x-2}+4\sqrt{y-3}+6\sqrt{z-5}\\ e)\sqrt{x}+\sqrt{y-1}+\sqrt{z-2}=\frac{1}{2}\left(x+y+z\right)\)
Giải pt:
a. \(x-\sqrt{x^4-2x^2+1}=1\)
b. \(\sqrt{x^2+4x+4}+|x-4|=0\)
c. \(\sqrt{x-2}+\sqrt{x-3}=-5\)
d. \(\sqrt{x^2-2x+1}+\sqrt{x^2-6x+9}=1\)
e. \(\sqrt{x+5}+\sqrt{2-x}=x^2-25\)
g.\(\sqrt{x+3-4\sqrt{x-1}}+\sqrt{x+8-6\sqrt{x-1}}=1\)
h. \(\sqrt{8x+1}+\sqrt{3x-5}=\sqrt{7x+4}+\sqrt{2x-2}\)
Giải các phương trình sau:
a, \(\left(x-3\right)^2+x^4=-y^2+6y-4\)
b, \(\sqrt{2x-3}+\sqrt{5-2x}-x^2+4x-6=0\)
c, \(4+4x-x^2=|x-1|+|x-2|+|2x-3|+|4x-14|\)
d, \(x^2-2x+3=\sqrt{2x^2-x}+\sqrt{1+3x-3x^2}\)
Giải phương trình:
1. \(\sqrt{2x^2+4x+7}=x^4+4x^3+3x^2-2x-7\)
2. \(\dfrac{4}{x}+\sqrt{x-\dfrac{1}{x}}=x+\sqrt{2x-\dfrac{5}{x}}\)
3. \(\dfrac{6-2x}{\sqrt{5-x}}+\dfrac{6+2x}{\sqrt{5+x}}=\dfrac{8}{3}\)
4. \(x^2+1-\left(x+1\right)\sqrt{x^2-2x+3}=0\)
5. \(2\sqrt{2x+4}+4\sqrt{2-x}=\sqrt{9x^2+16}\)
6. \(\left(2x+7\right)\sqrt{2x+7}=x^2+9x+7\)