Question
Evaluate 4! – 3!
Solution
4! = 1 × 2 × 3 × 4 = 24
3! = 1 × 2 × 3 = 6
∴4! – 3! = 24 – 6 = 18
Is there an error in this question or solution?
Solution Factorial Notation Evaluate 4! – 3! Concept: Concept of Permutations.
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