Which expression is equivalent to 15 (n+3/n) ?
£
N=10

Answer:
[tex]\sum_{n=10}^{15}(n+\frac{3}{n})=\sum_{n=10}^{15} n + \sum_{n=10}^{15} \frac{3}{n}[/tex]
Step-by-step explanation:
Given expression : [tex]\sum_{n=10}^{15}(n+\frac{3}{n})[/tex]
Solving further:
[tex]\sum_{n=10}^{15}(n+\frac{3}{n})[/tex]
[tex]\Rightarrow \sum_{n=10}^{15} n + \sum_{n=10}^{15} \frac{3}{n}[/tex]
So,[tex]\sum_{n=10}^{15}(n+\frac{3}{n})=\sum_{n=10}^{15} n + \sum_{n=10}^{15} \frac{3}{n}[/tex]
So, Option A is true
Hence the given expression is equivalent to Option A