GPT
\(x^4+\left(x+1\right)\left(5x^2-6x-6\right)=0\)
gpt:
\(3\left(x^2-3x+1\right)+\sqrt{3\left(x^4+x^2+1\right)}=0\)
\(\sqrt[3]{x^3+5x^2}-1=\sqrt{\frac{5x^2-2}{6}}\)
GPT
\(a,\left(x^2-5x+1\right)\left(x^2-4\right)=6\left(x-1\right)^2\)
Mn giúp mình vs
1, \(x^3-6x^2+10x-4=0\)
2, \(x^3+2x^2+2\sqrt{2}x+2\sqrt{2}=0\)
3, \(x^4+x^2-\sqrt{2}x+2=0
\)
4, \(x^4+5x^3-12x^2+5x+1=0\)
5, \(\left(x+5\right)\left(2x+12\right)\left(2x+20\right)\left(x+12\right)=3x^2\)
6, \(\left(x^2-5x+1\right)\left(x^2-4\right)=6\left(x-1\right)^2\)
7, \(x^4-9x^3+16x^2+18x+4=0\)
gpt:\(\sqrt{3x^2+6x+4}+\sqrt{2x^2+4x+11}=\left(1-x\right)\left(x+3\right)\)
\(\sqrt{3x^2+6x+7}+\sqrt{5x^2+10x+21}=5-x^2-2x\)
\(\sqrt{x^2-x+2}+\sqrt{x^2-3x+6}=2x\)
1.Cho a+b+c=1 và \(0\le\left|a\right|,\left|b\right|,\left|c\right|\le1\). CMR: \(a^4+b^5+c^6\le2\)
2.GPT: \(\sqrt{5x^2+6x+5}=\frac{64x^3+4x}{5x^2+6x+6}\)
3.Cho a,b,c tm: \(\sqrt{x^2+y^2}+\sqrt{y^2+z^2}+\sqrt{z^2+x^2}=6\)
TÌM MIN của : \(M=\frac{x^2}{y+z}+\frac{y^2}{z+x}+\frac{z^2}{x+y}\)
GPT:
1, \(6x^2+10x-92+\sqrt{\left(x+70\right)\left(2x^2+4x+16\right)}=0\)
2,\(x+3+\sqrt{1-x^2}=3\sqrt{x+1}+\sqrt{1-x}\)
Giai PT
\(x^4+\left(x+1\right)\left(5x^2-6x-6\right)=0\)
GPT:\(\frac{\left(x+1\right)\left(x+28\right)\left(x+4\right)\left(x-10\right)\left(-5\right)}{\sqrt{x}\left(x-6\right)^{\frac{1}{2}}}\ln\left(x^2-10\right)=0\)
Nhân tài đâu giúp mình với mình tick cho