Can someone explain the logic behind the two steps? I can't figure out how to get the S in the denominator. Thanks!
2026-05-04 18:59:17.1777921157
Simplifying a logarithm
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(1) Combine the inside expression with a common denominator.
(2) The minus sign outside becomes a $\small{(−1)}$ power inside, so you can flip the fraction.
Done.