phả là 10x chứ
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Các câu hỏi tương tự
\(\sqrt{x^2-1}-\sqrt{10x-x^2-9}=\sqrt{2x^2-14x+12}\)
GPT
\(\sqrt{x-1}+\sqrt{9-x}+2\sqrt{-x^2+10x-9}=12\)
GPT : \(\sqrt{\sqrt{x}+1-2\sqrt[4]{x}}+\sqrt{\sqrt{x}+9-6\sqrt[4]{x}}=2\)
26 tháng 11 2021 lúc 21:08
GPT:
1, \(6x^2+10x-92+\sqrt{\left(x+70\right)\left(2x^2+4x+16\right)}=0\)
2,\(x+3+\sqrt{1-x^2}=3\sqrt{x+1}+\sqrt{1-x}\)
gpt:
\(\sqrt{3x^2+6x+12}+\sqrt{5x^4-10x^2+9}=3-4x-2x^2\)
GPT
a) \(\sqrt{x}+\sqrt{x+1}=\frac{1}{\sqrt{x}}\)
b) \(\frac{x+3+2\sqrt{x^2-9}}{2x-6+\sqrt{x^2-9}}=\sqrt{2}\)
\(\left(5\right)\sqrt{x+3-4\sqrt{x-1}}\sqrt{x+8+6\sqrt{x-1}}=5\)
\(\left(6\right)2x^2+3x+\sqrt{2x^2+3x+9}=33\)
\(\left(7\right)\sqrt{3x^2+6x+12}+\sqrt{5x^4-10x^2+30}=8\)
\(\left(8\right)x+y+z+8=2\sqrt{x-1}+4\sqrt{y-2}+6\sqrt{z-3}\)
giải các phương trình a)\(\sqrt{2x-1}+x^2-3x+1=0\)
b)\(\sqrt{x-1}+\sqrt{9-x}+2\sqrt{-x^2+10x-9}=12\)
a) x+sqrt{left(x-2right)^2}b) sqrt{left(x-3right)^2} -xc) x-sqrt{left(x-1right)^2}d) sqrt{m^2-6m+9} -2me) m-sqrt{m^2-2m+1}f) 2x-sqrt{4x^2+4x+1}g)sqrt{x^2-10x+25} -xh) dfrac{sqrt{x^2+10x+25}}{x^2-25}i) dfrac{sqrt{1-2m+m^2}}{m^2-1}
Đọc tiếp
a) x+\(\sqrt{\left(x-2\right)^2}\)
b) \(\sqrt{\left(x-3\right)^2}\) -x
c) x-\(\sqrt{\left(x-1\right)^2}\)
d) \(\sqrt{m^2-6m+9}\) -2m
e) m-\(\sqrt{m^2-2m+1}\)
f) 2x-\(\sqrt{4x^2+4x+1}\)
g)\(\sqrt{x^2-10x+25}\) -x
h) \(\dfrac{\sqrt{x^2+10x+25}}{x^2-25}\)
i) \(\dfrac{\sqrt{1-2m+m^2}}{m^2-1}\)