3 years ago

Expand the logarithm. log (y/5)2

1 answer:

4 0

Answer: 2 log y - log 25

<u>Step-by-step explanation:</u>

Notes: Division expands to subtraction. Exponent expands to multiplication.

$log\bigg(\dfrac{y}{5}\bigg)^2\\\\\\=log\bigg(\dfrac{y^2}{5^2}\bigg)\\\\\\=log(y^2)-log(5^2)\\\\\\=\large\boxed{2log(y)-log(25)}$

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