Find xx!

xx is a positive integer satisfying 10!+11!+12!10!=x2\dfrac{10! + 11! + 12!}{10!} = x^{2}.

Find the value of xx.

Notation:
!! denotes the factorial notation. For example, 8!=1×2×3××88! = 1\times2\times3\times\cdots\times8 .

×

Problem Loading...

Note Loading...

Set Loading...