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Thread: Summation

  1. September 14th 2007, 04:28 PM #1
    Mr_Green
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    Summation

    question in jpg
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  2. September 14th 2007, 04:54 PM #2
    Plato
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    Is this it?
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  3. September 14th 2007, 07:47 PM #3
    Soroban
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    Hello, Mr_Green!

    I agree with Plato . . .

    If x \;=\;\sum^6_{i=2}\ln(3i-2)

    What is the value of e^x ?

    We have: . x \;=\;\ln(4) + \ln(7)+\ln(10)+\ln(13)+\ln(16) \:=\:\ln\left(4\!\cdot\!7\!\cdot\!10\!\cdot\!13\!\ cdot\!16\right) \:=\;\ln(58,240)

    Therefore: . e^x\;=\;e^{\ln58,240} \;=\;58,240
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