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Fifth root (cubic) = Cube root (quintic) (Posted on 2009-04-05) Difficulty: 3 of 5
Find all possible real number(s) N that satisfy this equation:

5√(N3 + 2N) = 3√(N5 - 2N)

where, the common value of both sides of the equation is positive.

No Solution Yet Submitted by K Sengupta    
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Comments: ( You must be logged in to post comments.)
  Subject Author Date
split the difference?ed bottemiller2009-04-06 17:20:38
re(2): Oops! Solution by reading the problem.Steve Herman2009-04-05 23:21:26
re: Oops! Solution by reading the problem.Daniel2009-04-05 17:54:38
Some ThoughtsOops! Solution by reading the problem.Steve Herman2009-04-05 14:54:58
SolutionSolution by inspection (spoiler)Steve Herman2009-04-05 13:16:46
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