3 years ago

Please help as soon as possible :’)

Mathematics

1 answer:

ollegr [7]3 years ago

7 0

Answer:

a. your classmate is correct

b. $\frac{1}{a^{(y-x)}}=\frac{1}{\frac{a^{y}}{a^{x}}}=\frac{a^{x}}{a^{y}}$

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