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mamma17

  • 3 years ago

1. Write 41n 6-21n 2 as a single natural logarithm. (1 point)

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  1. ZeHanz
    • 3 years ago
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    Use 2 rules: \[a \ln b=\ln b^a\]\[\ln a - \ln b = \ln \frac{a}{b}\]

  2. mamma17
    • 3 years ago
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    that dont help i dont understand thoes rules

  3. ZeHanz
    • 3 years ago
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    First rule means: if you have 4 ln 6, you can also write it as:\[\ln 6^4\] Also: 2 ln 2 is the same as:\[\ln 2^2 = \ln 4\] So your problem now is a little smaller:\[\ln 6^4 - \ln 4\] The seond rule says: \[\ln 6^4 - \ln 4 = \ln \frac{ 6^4 }{ 4 }\]If you work out what \[\frac{ 6^4 }{ 4 }\]is, you have the answer.

  4. mamma17
    • 3 years ago
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    ok ty

  5. ZeHanz
    • 3 years ago
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    YW!

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