What is ((n!)/(2(n-2)!))! ?

The solution to ((n!)/(2(n-2)!))! is (n(n-1))/2 !

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

simplify ((n!)/(2(n-2)!))!

simplify

(\frac{n !}{2 ( n - 2 ) !})!

\frac{n ( n - 1 )}{2}!

Solution steps

\frac{n !}{2 ( n - 2 ) !}!

Cancel the factorials:

\frac{n !}{( n - m ) !} = n \cdot (n - 1) \dots (n - m + 1), n > m

\frac{n !}{( n - 2 ) !} = n (n - 1)

= \frac{n ( n - 1 )}{2}!

0 (x - 1)

6 (r + 3 s) - (7 + r)

(\frac{( y + 1 )}{x})^{2}

\frac{10 x ^{3}}{2 x}

3 x^{2} 5 + x 80 x^{2}