Rút gọn:a)\(\frac{6x^5y^2\left(x-y\right)^2}{4xy^6\left(y-x\right)^3}\)b)\(\frac{x^2-16}{4x-x^2}\)\(\left(x\ne0,x\ne4\right)\)c)\(\frac{x^6+2x^3y^3+y^6}{x^7-xy^6}\)\(\left(x\ne0,x\ne\pm...
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Rút gọn:
a)\(\frac{6x^5y^2\left(x-y\right)^2}{4xy^6\left(y-x\right)^3}\)
b)\(\frac{x^2-16}{4x-x^2}\)\(\left(x\ne0,x\ne4\right)\)
c)\(\frac{x^6+2x^3y^3+y^6}{x^7-xy^6}\)\(\left(x\ne0,x\ne\pm y\right)\)
d)\(\frac{\frac{1}{x}+\frac{1}{y}}{\frac{1}{x}-\frac{1}{y}}\)
e)\(\frac{\frac{x}{x+1}-\frac{x-1}{x}}{\frac{x}{x-1}-\frac{x+1}{x}}\)
f)\(1-\frac{x}{1-\frac{x}{x+1}}\)
g)\(\frac{1-\frac{2}{x+1}}{1-\frac{x^2-2}{x^2-1}}\)
^.^
