Logs Nov 10 09

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Logs Nov 10 09

  1. 1. Use the change of base formula to find the decimal approximation of  each of the following to 4 decimal places ...
  2. 2. Now solve these using logarithms ...
  3. 3. Now solve these using logarithms ...
  4. 4. In General ... log ax a =x
  5. 5. Now lets solve some logarithmic equations ... log2x + log2(x ­ 1) = log22
  6. 6. log5(x ­ 3) + log5x = log510
  7. 7. log8(x ­ 2 ) + log8(x ­ 4 ) = 1
  8. 8. Exercise 25 Questions 1 ­ 14

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