perplexus.info :: Calculus : Double differential equation

Double differential equation (Posted on 2008-06-26)

Find all injective functions f, defined for all x>0, satisfying f(f'(x))=-f(x)

No Solution Yet Submitted by Jonathan Lindgren

Rating: 3.3333 (3 votes)

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Just Answer (No Solution)

| Comment 1 of 3

f(x)=logx

Posted by Praneeth on 2008-06-27 02:22:22

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