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1,Thực hiện phép tính
a,\(\frac{3}{2x^2+2x}+\frac{2x-1}{x^2-1}-\frac{2}{x}\)
b,\(\frac{3x}{5x+5y}-\frac{x}{10x-10y}\)
c,\(\frac{5x^2-y^2}{xy}-\frac{3x-2y}{y}\)
d,\(\frac{3}{2x+6}-\frac{x-6}{2x^2+6x}\)
8,Thực hiện phép tínha,frac{5x^2-y^2}{xy}-frac{3x-2y}{y}b,frac{3}{2x+6}-frac{x-6}{2x^2+6x}c,frac{2x}{x^2+2xy}+frac{y}{xy-2y^2}+frac{4}{x^2-4y^2} d,frac{1}{x-y}+frac{3xy}{y^3-x^3}+frac{x-y}{x^2+xy+y^2} e,frac{2x+y}{2x^2-xy}+frac{16x}{y^2-4x^2}+frac{2x-y}{2x^2+xy} f,frac{1}{1-x}+frac{1}{1+x}+frac{2}{1+x^2}+frac{4}{1+x^4}+frac{8}{1+x^8}+frac{16}{1+x^{16}}
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8,Thực hiện phép tính
a,\(\frac{5x^2-y^2}{xy}-\frac{3x-2y}{y}\)
b,\(\frac{3}{2x+6}-\frac{x-6}{2x^2+6x}\)
c,\(\frac{2x}{x^2+2xy}+\frac{y}{xy-2y^2}+\frac{4}{x^2-4y^2}\)
d,\(\frac{1}{x-y}+\frac{3xy}{y^3-x^3}+\frac{x-y}{x^2+xy+y^2}\)
e,\(\frac{2x+y}{2x^2-xy}+\frac{16x}{y^2-4x^2}+\frac{2x-y}{2x^2+xy}\)
f,\(\frac{1}{1-x}+\frac{1}{1+x}+\frac{2}{1+x^2}+\frac{4}{1+x^4}+\frac{8}{1+x^8}+\frac{16}{1+x^{16}}\)
Thực hiện phép tinh:a)frac{4}{x+2}+ frac{2}{x-2}+frac{5x-6}{4-x^2}b)frac{1-3x}{2x}+frac{3x-2}{2x-1}+frac{3x-2}{2x-4x^2}c)frac{1}{x^2+6x+9}+frac{1}{6x-x^2-9}+frac{x}{x^2-9}d)frac{x^2+2}{x^3-1}+frac{2}{x^2+x+1}+frac{1}{1-x}e)frac{x}{x-2y}+ frac{x}{x+2y}+frac{4xy}{4y^2-x^2}. Giúp Mk nha
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Thực hiện phép tinh:
a)\(\frac{4}{x+2}\)+ \(\frac{2}{x-2}\)+\(\frac{5x-6}{4-x^2}\)
b)\(\frac{1-3x}{2x}\)+\(\frac{3x-2}{2x-1}\)+\(\frac{3x-2}{2x-4x^2}\)
c)\(\frac{1}{x^2+6x+9}\)+\(\frac{1}{6x-x^2-9}\)+\(\frac{x}{x^2-9}\)
d)\(\frac{x^2+2}{x^3-1}\)+\(\frac{2}{x^2+x+1}\)+\(\frac{1}{1-x}\)
e)\(\frac{x}{x-2y}\)+ \(\frac{x}{x+2y}\)+\(\frac{4xy}{4y^2-x^2}\). Giúp Mk nha
7,Thực hiện phép tínha,frac{4x+1}{2}-frac{3x+2}{3} b,frac{x+3}{x^2-1}-frac{1}{x^2+x} c,frac{3}{2x^2+2x}+frac{2x-1}{x^2-1}-frac{1}{2}d,frac{3x}{5x+5y}-frac{x}{10x-10y} e,frac{5x^2-y^2}{xy}-frac{3x-2y}{y} f,frac{3}{2x+6}-frac{x-6}{2x^2+6x}
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7,Thực hiện phép tính
a,\(\frac{4x+1}{2}-\frac{3x+2}{3}\)
b,\(\frac{x+3}{x^2-1}-\frac{1}{x^2+x}\)
c,\(\frac{3}{2x^2+2x}+\frac{2x-1}{x^2-1}-\frac{1}{2}\)
d,\(\frac{3x}{5x+5y}-\frac{x}{10x-10y}\)
e,\(\frac{5x^2-y^2}{xy}-\frac{3x-2y}{y}\)
f,\(\frac{3}{2x+6}-\frac{x-6}{2x^2+6x}\)
Thực hiện phép tính
1) \(\frac{1-3x}{2x}+\frac{3x-2}{2x-1}+\frac{3x-2}{2x-4x^2}\)
2) \(\frac{x}{x-2y}+\frac{x}{x+2y}+\frac{4xy}{4y^2-x^2}\)
3) \(\frac{xy}{x^2-y^2}-\frac{x^2}{y^2-x^2}\)
Bạn nào bt lm, giúp mình với. Mính tick cho nè. Thanks nhiều lắm.
thực hiện phép cộng a) frac{x+1}{2x-2}+ frac{x^2+3}{2-2x^2}b) frac{3x^2}{x^3-6x^2}+frac{x-1}{x^2-x}c) frac{x}{x+y}+frac{y}{x-y}+frac{2xy}{y^2-x^2}d) frac{x}{x-2y}+frac{x}{x+2y}+frac{4xy}{4y^2-x^2}e) frac{x^2+2}{x^3-1}+frac{2}{x^2+x+1}+frac{1}{1-x}
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thực hiện phép cộng
a) \(\frac{x+1}{2x-2}\)+ \(\frac{x^2+3}{2-2x^2}\)
b) \(\frac{3x^2}{x^3-6x^2}+\frac{x-1}{x^2-x}\)
c) \(\frac{x}{x+y}+\frac{y}{x-y}+\frac{2xy}{y^2-x^2}\)
d) \(\frac{x}{x-2y}+\frac{x}{x+2y}+\frac{4xy}{4y^2-x^2}\)
e) \(\frac{x^2+2}{x^3-1}+\frac{2}{x^2+x+1}+\frac{1}{1-x}\)
Bài 1 rút gọn biểu thức
a,\(\frac{x}{x-2y}\)+\(\frac{x}{x+2y}\)+\(\frac{4xy}{4y^2-x^2}\)
b,\(\frac{x+1}{x+6}\)-\(\frac{2x+3}{x^2+3x}\)
c,\(\frac{5}{2x-3}\)+\(\frac{2}{2x+3}\)-\(\frac{2x+5}{9-4x^2}\)
Tính:
\(\frac{4x-1}{2x^2y}-\frac{7x-1}{3x^2y}\)
\(\frac{3}{2x+6}-\frac{x-6}{2x^2+6x}\)
\(\frac{2x}{x^2+2xy}+\frac{y}{xy-2y^2}+\frac{4}{x^2-4y^2}\)
\(\)Thank you so much!
Thực hiện các phép tính :
a) \(3x(x^3-2x)\)
b) \(\frac{4y^3}{7x^2}.\frac{14x^3}{y}\)
c) \(\frac{x^2-9}{2x+6}:\frac{3-x}{2}\)
d) \(\frac{2x}{x-y}-\frac{2y}{x-y}\)( với \(x\ne y\))
e) \(\frac{x+15}{x^2-9}:\frac{2}{x+3}\)( với \(x\ne\pm3\)