Write the Logarithm as a Sum And/or Difference of Logarithms $\log _ { 5 } 9$

question 125

Essay

Write the logarithm as a sum and/or difference of logarithms of a single quantity. Then simplify, if possible. Assume that d , f and b are positive numbers, and $\log _ { 5 } 9$ . $\log _ { b } 7 = 0.8451$

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