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The original task appears to be incomplete or nonsensical. If you meant to write a summation, it should include the expression to be summed and the variable of summation. Here's a corrected and meaningful summation:

Calculate the sum of the series from 2 to 5 of the expression plus [tex]$\frac{1}{5}$[/tex]:

[tex]\[ \sum_{n=2}^5 (n + \frac{1}{5}) \][/tex]

If this is not what you intended, please provide more context or clarify the task.


Sagot :

Certainly! Let's break down the problem step by step.

### Step 1: Calculate the Summation [tex]\(\sum_{2}^{5}\)[/tex]
The notation [tex]\(\sum_{2}^{5}\)[/tex] represents the sum of all integers from 2 to 5, inclusive. So we need to add the numbers 2, 3, 4, and 5 together:

[tex]\[ 2 + 3 + 4 + 5 \][/tex]

Let's add these numbers sequentially:

[tex]\[ 2 + 3 = 5 \][/tex]

[tex]\[ 5 + 4 = 9 \][/tex]

[tex]\[ 9 + 5 = 14 \][/tex]

So, the result of the summation [tex]\(\sum_{2}^{5}\)[/tex] is 14.

### Step 2: Calculate the Fraction [tex]\(\frac{1}{5}\)[/tex]
Next, we need to find the value of the fraction [tex]\(\frac{1}{5}\)[/tex]:

[tex]\[ \frac{1}{5} = 0.2 \][/tex]

### Step 3: Combine the Results
Now, we need to add the result of the summation to the fraction:

[tex]\[ 14 + 0.2 \][/tex]

Let's perform the addition:

[tex]\[ 14 + 0.2 = 14.2 \][/tex]

### Conclusion
Thus, the comprehensive solution to the given problem [tex]\(\sum_{2}^{5} + \frac{1}{5}\)[/tex] is:

[tex]\[ \sum_{2}^{5} = 14 \][/tex]

[tex]\[ \frac{1}{5} = 0.2 \][/tex]

[tex]\[ 14 + 0.2 = 14.2 \][/tex]

Therefore, the final answer is [tex]\(14.2\)[/tex].