sum of terms between 30 to 50
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Answer:
840
Step-by-step explanation:
Step 1:
Address the formula, input parameters & values.
Input parameters & values:
The number series 30, 31, 32, 33,..,49, 50.
The first term a = 30
The common difference d = 1
Total Number of terms n = 21
Step 2:
apply the input parameter values in the formula
Sum=
=
=
30 + 31 + 32 + 33 +...+ 49 + 50 = 840
Therefore, 840 is the sum of positive integers between 30 and 21.