Các câu hỏi tương tự
Giải pt: \(\left(\frac{x+2}{x+1}\right)^2+\left(\frac{x-2}{x-1}\right)^2-\frac{5x^2-4}{2x^2-1}=0\)
Giải pt \(\left(\frac{x+2}{x+1}\right)^2+\left(\frac{x-2}{x-1}\right)-\frac{5x^2-4}{2x^2-1}=0\)
Giải pt \(\frac{2x^{^2}}{\left(x+1\right)^2}-\frac{5x}{x+1}+3=0\)
Giải Pt :
a) \(\frac{1}{1.2}+\frac{1}{2.3}+\frac{1}{3.4}+........+\frac{1}{x\left(x+1\right)}=\frac{\sqrt{2012-x}+2012}{\sqrt{2012-x}+2013}\)
b) \(\sqrt{2x+3}+\sqrt{x+1}=3x+2\sqrt{2x^2+5x+3}-16\)
giải pt\(\frac{13}{2x^2+x-21}+\frac{1}{2x+7}=\frac{6}{x^2-9}\)
Cần gấp lắm!!!!
Giải phương trìnha) frac{4}{20-6x-2x^2}+ frac{x^2+4x}{x^2+5x}-frac{x+3}{2-x}+30b)frac{x+5}{x^2-5x}-frac{x-5}{2x^2-10x}+10frac{x+25}{2x^2-50}c) frac{7}{8x}+frac{5-x}{4x^2-8x}frac{x-1}{2x.left(x-2right)}+frac{1}{8x-16}c) frac{7}{8x}+frac{5-x}{4x^2-8x}frac{x-1}{2x.left(x-2right)}+frac{1}{8x-16}
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Giải phương trình
a) \(\frac{4}{20-6x-2x^2}\)+ \(\frac{x^2+4x}{x^2+5x}-\frac{x+3}{2-x}+3=0\)
b)\(\frac{x+5}{x^2-5x}-\frac{x-5}{2x^2-10x}+10=\frac{x+25}{2x^2-50}\)
c) \(\frac{7}{8x}+\frac{5-x}{4x^2-8x}=\frac{x-1}{2x.\left(x-2\right)}+\frac{1}{8x-16}\)
c) \(\frac{7}{8x}+\frac{5-x}{4x^2-8x}=\frac{x-1}{2x.\left(x-2\right)}+\frac{1}{8x-16}\)
giải pt : \(\sqrt{x^2+x+1}=\frac{x^3+5x^2+3x+1}{x^2+2x+3}\)
giải phương trình:frac{2x}{6x^2-x+3}+frac{5x}{4x^2+5x+2}+frac{x}{2x^2+3x+1}frac{1}{3}b, frac{1}{x+1}+frac{2}{x+2}+frac{1}{x+3}frac{1}{x+4}+frac{2}{x+5}+frac{1}{x+6}c, x^2+frac{9x^2}{left(x+3right)^2}7d,frac{1}{x-1}+frac{1}{x}+frac{1}{x+1}+frac{1}{x+2}+frac{1}{x+3}0e,frac{9x}{x^2-2x+3}frac{5x^2+9x+15}{x^2+3x+3}
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giải phương trình:\(\frac{2x}{6x^2-x+3}+\frac{5x}{4x^2+5x+2}+\frac{x}{2x^2+3x+1}=\frac{1}{3}\)
b, \(\frac{1}{x+1}+\frac{2}{x+2}+\frac{1}{x+3}=\frac{1}{x+4}+\frac{2}{x+5}+\frac{1}{x+6}\)
c, \(x^2+\frac{9x^2}{\left(x+3\right)^2}=7\)
d,\(\frac{1}{x-1}+\frac{1}{x}+\frac{1}{x+1}+\frac{1}{x+2}+\frac{1}{x+3}=0\)
e,\(\frac{9x}{x^2-2x+3}=\frac{5x^2+9x+15}{x^2+3x+3}\)
Giải pt sau :
\(\frac{2x}{2x^2-5x+3}+\frac{13x}{2x^2+x+3}=6\)