Các câu hỏi tương tự
1, \(\sqrt{x-1}+\sqrt{x-4}=5\)
2, \(2x-7\sqrt{x}+5=0\)
3, \(\sqrt{2x+1}+\sqrt{x-3}=2\sqrt{x}\)
4, \(x-4\sqrt{x}+2021\sqrt{x-4}+4=0\)
5, \(\sqrt{2x-3}-\sqrt{x+1}=7\left(4-x\right)\)
Tìm x ≥ 0, biết:
a) 2x-7\(\sqrt{x}\)+3=0
b) 3\(\sqrt{x}\)+5 < 6
c) x-3\(\sqrt{x}\) -10 < 0
d) x- 5\(\sqrt{x}\) +6 = 0
e) x+ 5\(\sqrt{x}\) -14 < 0
giải phương trìnha) left(x+frac{5-x}{sqrt{x}+1}right)^2+frac{16sqrt{x}left(5-xright)}{sqrt{x}+1}-160b) sqrt{2x-frac{3}{x}}+sqrt{frac{6}{x}-2x}1+frac{3}{2x}c) sqrt{2x+1}+frac{2x-1}{x+3}-left(2x-1right)sqrt{x^2+4}-sqrt{2}0d) sqrt{x+2+3sqrt{2x-5}}+sqrt{x-2-sqrt{2x-5}}2sqrt{2}
Đọc tiếp
giải phương trình
a) \(\left(x+\frac{5-x}{\sqrt{x}+1}\right)^2+\frac{16\sqrt{x}\left(5-x\right)}{\sqrt{x}+1}-16\)\(=0\)
b) \(\sqrt{2x-\frac{3}{x}}+\sqrt{\frac{6}{x}-2x}=1+\frac{3}{2x}\)
c) \(\sqrt{2x+1}+\frac{2x-1}{x+3}-\left(2x-1\right)\sqrt{x^2+4}-\sqrt{2}=0\)
d) \(\sqrt{x+2+3\sqrt{2x-5}}+\sqrt{x-2-\sqrt{2x-5}}=2\sqrt{2}\)
Giải phương trình
a) \(\sqrt{2x-5}=\sqrt{x+3}\)
b) \(\sqrt{2x^2-x+4}-2=x\)
c) \(\sqrt{1-x}=\sqrt{3x+2}\)
d) \(\sqrt{2x-3}=\sqrt{x-2}\)
e) \(\sqrt{x-2}-\sqrt{3+2x}=0\)
1) \(\sqrt{x^2-9}+\sqrt{x^2-6x+9}=0\)
2) \(\sqrt{2x-2+2\sqrt{2x-3}}+\sqrt{2x+13+8\sqrt{2x-3}}=5\)
Tính:
a) \(\sqrt{8x^3}\cdot\sqrt{2x}\left(x>0\right)\)
b) \(\sqrt{12x^5}\cdot\sqrt{3x}\left(x>0\right)\)
giải phương trình
1)\(\sqrt{9\left(x-1\right)}=21\)
2)\(\sqrt{1-x}+\sqrt{4-4x}-\dfrac{1}{3}\sqrt{16-16x}+5=0\)
3)\(\sqrt{2x}-\sqrt{50}=0\)
4)\(\sqrt{4x^2+4x+1}=6\)
5)\(\sqrt{\left(x-3\right)^2}=3-x\)
Giai pt
1) \(\left(x+5\right)\left(2-x\right)=3\sqrt{x^2+3x}\)
2) \(\frac{x}{x+1}-2\sqrt{\frac{x+1}{x}}-3=0\)
3) \(x^2+\sqrt{2x^2+4x+3}=6-2x\)
4) \(x^2+\sqrt{x+5}=5\)
5) \(x^3+4x-\left(2x+7\right)\sqrt{2x+3}=0\)
Gi ải phương trình
a) \(\sqrt{4x-20}+\sqrt{x-5}-\dfrac{1}{3}\sqrt{9x-45}=4\) b) \(\sqrt{2x-1}-\sqrt{8x-4}+5=0\)
c) \(\sqrt{x^2-10x+25}=2\) d) \(\sqrt{x^2-14x+49}-5=0\)
TN
16 tháng 10 2021 lúc 21:37
Giải các phương trình sau
a, \(\sqrt[3]{1-2x}+3=0\)
b, \(\sqrt{x-4\sqrt{x}+4}\) + \(\sqrt{x+6\sqrt{x}+9}\) = 5