1.

Write in terms of factorials 3 × 6 × 9 × 12 × 15

Answer»

3 × 6 × 9 × 12 × 15

= 3 × (3 × 2) × (3 × 3) × (3 × 4) × (3 × 5)

= (35) (5 × 4 × 3 × 2 × 1)

= 35 (5!)



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