sunflower34
sunflower34 sunflower34
  • 19-04-2016
  • Mathematics
contestada

Simplify
7^2x^-3y/49x^-3y^-2

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ayyeitsmelol
ayyeitsmelol ayyeitsmelol
  • 19-04-2016
This is the answer I got
x(xy-7)^2

Answer Link
Exvited
Exvited Exvited
  • 19-04-2016
[tex] \frac{7^2x^{-3}}{49x^{-3} y^{-2}} \\ \\ \frac{49x^{-3}y}{49x^{-3}y^{-2}} \\ \\ \frac{49x^{-3}y}{49x^{-3} \times \frac{1}{y^2} } \\ \\ \frac{49x^{-3}y}{ \frac{49x^{-3}}{y^2} } \\ \\ 49x^{-3} y \times \frac{y^2}{49x^{-3}} \\ \\ \frac{x^{-3}}{x^{-3}} yy^2 \\ \\ 1 \times yy^2 \\ \\ yy^2 \\ \\ y^3 \\ \\ [/tex]

The answer is: y^3.
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