Question

Find the sum of the first 10 natural numbers

Answer 1

step 1 address the formula, input parameters & values.
Input parameters & values:
The number series 1, 2, 3, 4, . . . . , 9, 10.
The first term a = 1
The common difference d = 1
Total number of terms n = 10

step 2 apply the input parameter values in the formula
Sum = n/2 x (a + Tn)
= 10/2 x (1 + 10)
= 110/2
1 + 2 + 3 + 4 + . . . . + 9 + 10 = 55 

Therefore, 55 is the sum of positive integers upto 10.

Answer 2

First ten natural numbers are-1,2,3,4,5,6,7,8,9,10.
There sum =1+2+3+4+5+6+7+8+9+10=55.

This is the answer.

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