ln5 + 5ln3 <<< how to make into one logarithm?

👨🏻‍🏫 學術台數學

[匿名]

2009-01-15 5:20 am

I don't need the answer. I need help on how to do it. How do simplify this so that it is ln(1215).

Please help if you can.

更新1:

thank you so much somu

回答 (3)

Avinash

2009-01-15 5:24 am

✔ 最佳答案

ln5 + 5ln3
= ln5 + ln(3^5)
= ln5 + ln243
= ln(5*243)
= ln1215

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[匿名]

2009-01-15 1:25 pm

ln5 + ln(3^5) = ln(5*(3^5))

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An ESL Learner

2009-01-15 2:20 pm

ln(5) + 5ln(3)
= ln(5) + ln(3^5)
= ln(5) + ln(3 * 3 * 3 * 3 * 3)
= ln(5) + ln(243)
= ln(5 * 243)
= ln(1215) or log_e(1215)

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