# multinomial theorem

- an expression of a power of a sum in terms of powers of the addends, a generalization of the binomial theorem.

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# multinomial theorem

- The theorem that establishes the rule for forming the terms of the nth power of a sum of numbers in terms of products of powers of those numbers.

The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.