Các câu hỏi tương tự
\(2x\sqrt x +12x +22\sqrt x+12 \over (\sqrt x+1)(\sqrt x+2)(\sqrt x+3) \)
a) \(\sqrt{3x^2-5x+7}\)+\(\sqrt{3x^2+x+1}\) = 12x-12
b) \(\sqrt{x^2+33}\)+3 = 2x+\(\sqrt{x^2-12}\)
c) 3x-\(8\sqrt{x+14}\) = \(2\sqrt{2x-3}\) - 28
d) \(x^2\)+\(\sqrt{x+7}\) = 7
Tìm x biết
a) \(\sqrt{-x^2+2x-1}=\sqrt{9-12x+4x^2}\)
b) \(\sqrt{x+2+3\sqrt{2x-5}}+\sqrt{x-2-\sqrt{2x-5}}=2\sqrt{2}\)
c)\(x^2+x+12\sqrt{x+1}=36\)
Giải phương trình: a) sqrt{x+3-4sqrt{x+1}}+sqrt{x+8-6sqrt{x-1}}1b) sqrt{x+sqrt{x-11}}+sqrt{x-sqrt{x-11}}4c) sqrt{x+2+3sqrt{2x-5}}+sqrt{x-2sqrt{2x-5}}2sqrt{2}d) sqrt{x-4}+sqrt{6-x}x^2-10x+27e) sqrt{2x+1}+sqrt{17-2x}x^4-8x^3+17x^2-8x+22f) sqrt{3x^2+12x+16}+sqrt{y^2-4y+13}5g) sqrt{x+x^2}+sqrt{x-x^2}x+1ai lmmm giúp tui ikkk
Đọc tiếp
Giải phương trình:
a) \(\sqrt{x+3-4\sqrt{x+1}}+\sqrt{x+8-6\sqrt{x-1}}=1\)
b) \(\sqrt{x+\sqrt{x-11}}+\sqrt{x-\sqrt{x-11}}=4\)
c) \(\sqrt{x+2+3\sqrt{2x-5}}+\sqrt{x-2\sqrt{2x-5}}=2\sqrt{2}\)
d) \(\sqrt{x-4}+\sqrt{6-x}=x^2-10x+27\)
e) \(\sqrt{2x+1}+\sqrt{17-2x}=x^4-8x^3+17x^2-8x+22\)
f) \(\sqrt{3x^2+12x+16}+\sqrt{y^2-4y+13}=5\)
g) \(\sqrt{x+x^2}+\sqrt{x-x^2}=x+1\)
ai lmmm giúp tui ikkk
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 HPT:
\(\hept{\begin{cases}2x^3+x=2x^2y+y\\\\\sqrt{x^2+12x+12\sqrt{y}+3}=3y-2\sqrt{x}-1\end{cases}}\)
26 tháng 10 2021 lúc 9:41
6) \(\sqrt{x^2+12x+36}=-x-6\)
7) \(\sqrt{9x^2-12x+4}=3x-2\)
8) \(\sqrt{16-24x+9x^2}=2x-10\)
9) \(\sqrt{x^2-6x+9}==2x-3\)
10) \(\sqrt{x^2-3x+\dfrac{9}{4}}=\dfrac{3}{x}x-4\)
giải phương trình sau:\(\sqrt{x^2+2x+1}+\sqrt{4x^2+12x+9}=4\)
2)\(\sqrt{x-2\sqrt[]{x-1}}+\sqrt{x+2\sqrt[]{x-1}}=\frac{x+3}{2}\)
3)\(3+\sqrt{x+2\sqrt[]{x-1}}=2\sqrt{x-2\sqrt{x-1}}\)
Giải phương trình bằng phương pháp đánh giá:
1) sqrt(x-2) + sqrt(10-x) = (x2-12x+40)(5x-x2-6)
2) [ sqrt(x+3) + sqrt(15-x) ](x+6)2 = x4 - 72x2 +1302
3) sqrt(2x-3) + sqrt(5-2x) = (3x^2-12x+14)(2x^2-x-3)