Which of the following is closer to (20!+19!)/(20!-19!)?	Options
A) 11
B) 13
C) 1
D) 3
E) 7
Notice that 20! = (20)(19!),   (20!+19!)*(20!-19!)=[19!(20+1)]*[19!(20-1)]   = 21/19   ≈ 1   Answer: 1
<result>C</result>
Which of the following is closer to (20!+19!)/(20!-19!)?