What is the answer to ((n+1)!)/((n-1)!)=56 ?

The answer to ((n+1)!)/((n-1)!)=56 is n=7,n=-8

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((n+1)!)/((n-1)!)=56

\frac{( n + 1 ) !}{( n - 1 ) !} = 56

n = 7, n = - 8

Solution steps

\frac{( n + 1 ) !}{( n - 1 ) !} = 56

Simplify

\frac{( n + 1 ) !}{( n - 1 ) !} : n (n + 1)

n (n + 1) = 56

Solve

n (n + 1) = 56 : n = 7, n = - 8

n = 7, n = - 8

\frac{x}{x - 2} = 0

\frac{3}{5} = \frac{3}{x}

\frac{x}{x + 6} = \frac{4}{x - 4}

\frac{t - 1}{1 - t} = \frac{3}{2}

5 x - \frac{10}{x} = 4

What is the answer to ((n+1)!)/((n-1)!)=56 ?
The answer to ((n+1)!)/((n-1)!)=56 is n=7,n=-8
Solve for n: ((n+1)!)/((n-1)!)=56
The solution is n=7,n=-8