does this use the telescopic series if it does how do you express the general term? I have no idea. I need some help
2026-03-25 01:18:21.1774401501
What is the value of n such that n! = 3! × 5! × 7!
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Since $3!\times 5!=720=8\times 9\times 10=\frac{10!}{7!}$, $n=10$.