Question: Express as a single logarithm and, if possible, simplify. a. loga (x2 + xy + y2) + loga (x - y) b. loga (a10 -

Express as a single logarithm and, if possible, simplify.
a. loga (x2 + xy + y2) + loga (x - y)
b. loga (a10 - b10) - loga (a + b)

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