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5 January, 12:39

Solve the equation below:

ln x - ln 5 = - 1

+5
Answers (1)
  1. 5 January, 15:00
    0
    x = 5/e

    Step-by-step explanation:

    ln x - ln 5 = - 1

    We know that ln a - ln b = ln (a/b)

    ln x - ln 5 = - 1

    ln (x/5) = - 1

    Raise each side to the power of e

    e^ ln (x/5) = e^-1

    We know that e^-1 = 1/e

    x/5 = 1/e

    Multiply each side by 5

    x/5 * 5 = 1/e * 5

    x = 5/e
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