If 1/8! + 1/9! = x/10!, then find x.

Asked by Sejal Gupta | 16th Sep, 2010, 05:06: PM

Expert Answer:

hello,
LHS =
   1/8! + 1/9!
= 1/8! ( 1 + 1/9)
= 1/8! ( 10 / 9 )
= 10 / 9!
= 100 / 10!
Hence x = 100

Answered by  | 16th Sep, 2010, 10:17: PM

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