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S

  • 3 years ago

find dy/ dx and simplify : y=lnx/e^(2x) ?

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  1. josefelk
    • 3 years ago
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    dy/dx= (1_2xlnx)/xe^(2x)

  2. josefelk
    • 3 years ago
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    or you can write it : dy/dx=(1/xe^(2x)) _2y

  3. S
    • 3 years ago
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    i am confused , what exactly I have to do in this problem..

  4. lgbasallote
    • 3 years ago
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    use quotient rule:\[\large \frac{\frac{e^{2x}}{x} + 2\ln x (e^{2x})}{e^{4x}}\]

  5. lgbasallote
    • 3 years ago
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    that's supposed to be minus not plus

  6. S
    • 3 years ago
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    ok, thanks! I just didn't knew which rule to apply

  7. lgbasallote
    • 3 years ago
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    QUOTIENT RULE \[\frac{ldh - hdl}{l^2}\] where l = low; h = high; d = derivative

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