gamalmohamedstudent gamalmohamedstudent

17-04-2022
Mathematics

contestada

Which expression is equivalent to

Which expression is equivalent to class=

Which expression is equivalent to class=

Which expression is equivalent to class=

Which expression is equivalent to class=

Which expression is equivalent to class=

Respuesta :

ivycoveredwalls ivycoveredwalls

17-04-2022

Answer:

The second expression

Step-by-step explanation:

[tex]\sum_{n=3}^{20}{n(n+1)}=\sum_{n=3}^{20}{(n^2+n)}=\sum_{n=3}^{20}n^2+\sum_{n=3}^{20}n[/tex]

You can split up sums.

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