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This question is very confusing to me I assume it would be 1? The topic is binomial Theorem

This question is very confusing to me I assume it would be 1? The topic is binomial-example-1

1 Answer

5 votes

1 factorial says to multiply all whole numbers from 1 to 1, this is 1.

The correct answer is 1!=1.

User Joeschwa
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