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If (e^x)^-2 X (e^x)^2 X e^x = 1/e^2

find x?

I have no idea how to do this.

Question ID
524134

Created
April 2, 2011 2:33am UTC

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0

URL
https://questions.llc/questions/524134

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1

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269

1 answer

  1. I suggest a * to stand for multiplication, so we do not have to guess if X is a variable or an operator.

    (e^x)^(-2) * (e^x)^2 * e^x = 1/e^2

    The left hand side simplifies easily using the law of exponents:

    (e^x)^(-2+2) * e^x = 1/e^2
    1 * e^x = 1/e^2
    e^x = e^(-2)
    x=-2

    Answer ID
    524248

    Created
    April 2, 2011 4:48pm UTC

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    0

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