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Question Number 194884 by cortano12 last updated on 18/Jul/23

$$x!=6!.7!$$$$x^2=?$$

Answered by deleteduser1 last updated on 18/Jul/23

$$=7!\times \left(2\times 3\right)\times 5\times 4\times 3\times 2\times 1=$$$$7!\times \left(4\times 2\right)\times \left(3\times 3\right)\times \left(5\times 2\right)=10!=x!\Rightarrow x^2=100$$

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