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Question
Write in terms of factorial.
5 × 6 × 7 × 8 × 9 × 10
Solution
5 × 6 × 7 × 8 × 9 × 10
= `(1 xx 2 xx 3 xx 4 xx 5 xx 6 xx 7 xx 8 xx 9 xx 10)/(1 xx 2 xx 3 xx 4)`
= `(10!)/(4!)`
∴ 5 × 6 × 7 × 8 × 9 × 10 = `(10!)/(4!)`
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