SOLUTION: How can I solve these two? Could you please show every step. Simplify. A) (n!+(n-1)!)/(n+1)! B) (n!-(n-1)!)/(n-2)!

Algebra ->  Test -> SOLUTION: How can I solve these two? Could you please show every step. Simplify. A) (n!+(n-1)!)/(n+1)! B) (n!-(n-1)!)/(n-2)!       Log On


   

Question 898416: How can I solve these two? Could you please show every step.
Simplify.
A) (n!+(n-1)!)/(n+1)!
B) (n!-(n-1)!)/(n-2)!
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
(A)
+%28+n%21+%2B+%28n+-+1%29%21+%29+%2F+%28n+%2B+1%29%21+
Divide top and bottom by +%28+n+-+1+%29%21+

+%28+n++%2B+1+%29+%2F+%28+n%2A%28+n+%2B+1+%29+%29+
Divide top and bottom by +n+%2B+1+
+1+%2F+n+
----------------------------------
(B)
+%28n%21-%28n-1%29%21%29%2F%28n-2%29%21+
Divide top and bottom by +%28+n+-+2+%29%21+
+%28+n%2A%28+n+-+1+%29+%29+-+%28+n+-+1+%29+
+%28+n++-+1+%29%2A%28+n+-+1+%29+
+%28+n+-+1+%29%5E2+