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प्रश्न
Write in terms of factorial:
5 × 6 × 7 × 8 × 9 × 10
उत्तर
5 × 6 × 7 × 8 × 9 × 10 = 10 × 9 × 8 × 7 × 6 × 5
Multiplying and dividing by 4!, we get
= `(10 xx 9 xx 8 xx 7 xx 6 xx 5 xx 4!)/(4!)`
= `(10xx9xx8xx7xx6xx5xx4xx3xx2xx1)/(4!)`
= `(10!)/(4!)`
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