perplexus.info :: Just Math : Simplify the expression

Simplify the expression (Posted on 2006-06-16)

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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Short

| Comment 3 of 8 |

The given expression is just the expression found at Alphabet Multiplication, but "in long", so its value is zero as in that puzzle.

Posted by Federico Kereki on 2006-06-16 10:28:49

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