Dividing And Expressing Factorials
Number Theory
Level
1
\[ \large x! =\dfrac{11! + 10!}{9!} \]
Find the value of \(x\) satisfying the equation above.
Notation:
\(!\) denotes factorial. For example, \(8! = 1\times2\times3\times\cdots\times8 \).
by
Ash R