perplexus.info :: Just Math : Fifth root (cubic) = Cube root (quintic)

Fifth root (cubic) = Cube root (quintic) (Posted on 2009-04-05)

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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Subject	Author	Date
split the difference?	ed bottemiller	2009-04-06 17:20:38
re(2): Oops! Solution by reading the problem.	Steve Herman	2009-04-05 23:21:26
re: Oops! Solution by reading the problem.	Daniel	2009-04-05 17:54:38
Oops! Solution by reading the problem.	Steve Herman	2009-04-05 14:54:58
Solution by inspection (spoiler)	Steve Herman	2009-04-05 13:16:46

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