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key10

  • 3 years ago

Write the expression as a single natural logarithm. 3ln3 + 3lnc A. ln(27 + c3) B. ln9c3 C. ln27c D. ln27c3

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  1. abb0t
    • 3 years ago
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    \[aln(b) = \ln(b^a)\]

  2. abb0t
    • 3 years ago
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    \[\ln(a) + \ln(b) = \ln(ab)\]

  3. ghazi
    • 3 years ago
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    \[3 \ln 3 +3 \ln c =\ln (3)^3+ \ln (c)^3=\ln 27+\ln c^3=\ln(27c^3)\]

  4. ghazi
    • 3 years ago
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    \[\ln a + \ln b = \ln(ab)\]

  5. key10
    • 3 years ago
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    thanks

  6. ghazi
    • 3 years ago
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    :) i am sorry i wasnt supposed to solve the whole thing but i just did it , my bad :(

  7. key10
    • 3 years ago
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    its fine thank you i understand it

  8. ghazi
    • 3 years ago
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    :D

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