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All possible integer values of N (Posted on 2023-10-02)

Determine all possible integer values of N that satisfy this equation:
(√5 + 2)^N + (√5 - 2)^N= 18

Submitted by K Sengupta

Rating: 4.0000 (1 votes)

Solution: (Hide)

N=2 is the only solution.
For an explanation, refer to the solution submitted by Jer in this location.

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
Solution	Larry	2023-10-02 10:26:47
Solution by inspection	Jer	2023-10-02 09:30:16
solution	Charlie	2023-10-02 09:24:48

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