You have been given a series 1/1! + 2/2! + 3/3! + 4/4! +…….+ n/n!, find out the sum of the series till nth term. Examples:
Input :n = 5 Output : 2.70833 Input :n = 7 Output : 2.71806
Python3
# Python code to find smallest K-digit # number divisible by X def sumOfSeries(num):
# Computing MAX
res = 0
fact = 1
for i in range ( 1 , num + 1 ):
fact * = i
res = res + (i / fact)
return res
n = 5
print (" Sum : ", sumOfSeries(n))
# Code contributed by Mohit Gupta_OMG <(0_o)> |
Output:
Sum: 2.70833
Time Complexity: O(N)
Auxiliary Space: O(1)
Please refer complete article on Program to find the sum of a Series 1/1! + 2/2! + 3/3! + 4/4! +…….+ n/n! for more details!
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