Question

n!(n+2)=n!+(n+1)!
here !=factorial ​

Answer 1

Answer:

n(n+2)/(n+1)=1

Step-by-step explanation:

n!(n+2)=n!+(n+1)!

n(n+1)(n+2)!(n+2) =(n+1)![n+1]

n(n+2)(n+2)!=(n+1)(n+2)!

n(n+2)/(n+1)=1