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Jono
Jono asked in Science & MathematicsMathematics · 7 years ago

I don't know how to solve this logarithm?

ln(5x) + ln(2/x)

Can someone show me the full steps as to how to obtain an answer for this

5 Answers

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  • Como
    Lv 7
    7 years ago

    ln 10

  • Ash
    Lv 7
    7 years ago

    Use identity ln (a*b) = ln a + ln b

    ln(5x) + ln(2/x) = ln (5x * 2/x) = ln 10 = 2.3

  • Gregor John
    Lv 5
    7 years ago

    Given ln(5x) + ln(2/x)

    Use log rule log a+ log b= log (ab)

    ln (5x*2/x)

    ln(10)

    Source(s): Tutor Chat Live - http://goo.gl/hdx7XH
  • la console
    Lv 7
    7 years ago

    = Ln(5x) + Ln(2/x) → where x > 0

    = Ln[5x * (2/x)]

    = Ln(10)

  • Grid
    Lv 7
    7 years ago

    I can see why you're having trouble, there is nothing to solve, it's an expression not an equation.

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