Multiple Choice Question (MCQ)
What is the sum of the sequence
\displaystyle\sum_{n=0}^4 ( 1+n!)
-
×
37
-
×
38
-
✓
39
-
×
40
Answer
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\displaystyle\sum_{n=0}^4 ( 1+n!)
=(1+0!)+(1+1!)+(1+2!)+(1+3!)+(1+4!)
=2+2+3+7+25
=39