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Simplify the expression (Posted on 2006-06-16) Difficulty: 2 of 5
Simplify the expression

x26 - x25(a+b+c+...+z) + x24(ab+ac+...+az+bc+...+bz+...+yz) - x23(abc+...+abz+acd+...+acz+...+xyz) + ... + abc...z

See The Solution Submitted by Salil    
Rating: 2.6667 (3 votes)

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Hints/Tips Resolution Approach (Alternate) | Comment 2 of 8 |
(In reply to A Guess by tomarken)

I looked around and I am willing to bet that the expression given in the problem can be factorised in terms of Vieta's formula for  Polynomial roots ( ref:

This would provide another likely  avenue to deduce or verify  the final answer  to this problem.

Edited on June 16, 2006, 10:14 am

Edited on June 16, 2006, 10:16 am

Edited on June 16, 2006, 10:22 am
  Posted by K Sengupta on 2006-06-16 10:14:24

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