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Penta-Quadratic (Posted on 2014-02-23) Difficulty: 3 of 5
Let x be a non-zero real number such that (x3+20x)1/5=(x5-20x)1/3. Find the product of all possible values of x.

No Solution Yet Submitted by Danish Ahmed Khan    
Rating: 4.0000 (1 votes)

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Some Thoughts re(3): A long way ----=0.0024990669i ?? Comment 5 of 5 |
(In reply to re(2): A long way ----=0.0024990669i ?? by Jer)

ok
  Posted by Ady TZIDON on 2014-03-06 13:06:37

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