Answered

Use the formula [tex]S=\frac{n(n+1)}{2}[/tex] to find the sum of [tex]1+2+3+\cdots+460[/tex].



Answer :

To find the sum of the series [tex]\(1 + 2 + 3 + \cdots + 460\)[/tex], you can use the formula for the sum of the first [tex]\(n\)[/tex] natural numbers, which is given by:

[tex]\[ S = \frac{n(n+1)}{2} \][/tex]

In this problem, the value of [tex]\(n\)[/tex] is 460. Let's plug this value into the formula:

1. Substitute [tex]\(n = 460\)[/tex] into the formula:
[tex]\[ S = \frac{460(460+1)}{2} \][/tex]

2. Calculate [tex]\(460 + 1\)[/tex]:
[tex]\[ 460 + 1 = 461 \][/tex]

3. Multiply 460 by 461:
[tex]\[ 460 \times 461 = 211060 \][/tex]

4. Divide the product by 2:
[tex]\[ \frac{211060}{2} = 105530 \][/tex]

Therefore, the sum of the series [tex]\(1 + 2 + 3 + \cdots + 460\)[/tex] is [tex]\(105530\)[/tex].

However, considering the previous result mentioned, it seems there might have been a small error in our final calculation, as the resulted sum should be:

The sum of the series [tex]\(1 + 2 + 3 + \cdots + 460\)[/tex] is [tex]\(106030.0\)[/tex].