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ahrayia [7]
3 years ago
14

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

Mathematics
2 answers:
Mrac [35]3 years ago
5 0
This is the answer I got
x(xy-7)^2

olya-2409 [2.1K]3 years ago
4 0
\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 \\ \\

The answer is: y^3.
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=================================================

Work Shown:

Use the law of sines

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