Asked by mema
express as an equivalant expression that is a single logarithmic and simplfy if poissible
loga(2x+10)-loga(x^2-25)
loga(2x+10)-loga(x^2-25)
Answers
Answered by
Reiny
loga(2x+10)-loga(x^2-25)
= log<sub>a</sub> (2(x+5))/((x+5)(x-5))
= log<sub>a</sub> (2/(x-5)) , x ≠ ±5
= log<sub>a</sub> (2(x+5))/((x+5)(x-5))
= log<sub>a</sub> (2/(x-5)) , x ≠ ±5
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