perplexus.info :: Just Math : Square Sum Settlement

Square Sum Settlement (Posted on 2015-01-14)

If x² + x +1 =0, then find the value of:
(x+1/x)² + (x² + x^-2)² + ...+ (x⁹ + x^-9)²

See The Solution Submitted by K Sengupta

Rating: 5.0000 (1 votes)

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Subject	Author	Date
Avoiding complexities.. (spoiler)	Harry	2015-01-15 08:20:20
re: computer solution (spoiler)	Jer	2015-01-14 11:26:08
computer solution (spoiler)	Charlie	2015-01-14 10:47:33

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