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Dvinal [7]
3 years ago
10

How can I simplify this expression using only positive exponents ?

Mathematics
1 answer:
belka [17]3 years ago
5 0
\dfrac{4}{2}\cdot\dfrac{r^3}{r^5}=2\cdot\dfrac{1}{r^2}\\\\=\dfrac{2}{r^2}
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