Draw a flowchart to find the sum of first fifteennatural numbers.
Answers
Answer:
step 1 address the formula, input parameters & values.
Input parameters & values:
The number series 1, 2, 3, 4, . . . . , 14, 15.
The first term a = 1
The common difference d = 1
Total number of terms n = 15
step 2 apply the input parameter values in the formula
Sum = n/2 x (a + Tn)
= 15/2 x (1 + 15)
= 240/2
1 + 2 + 3 + 4 + . . . . + 14 + 15 = 120
Therefore, 120 is the sum of positive integers upto 15.
Explanation:
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