Algebra Ch 48: Sequences and Series (23 of 34) Find the nth Partial Sum of the Arithmetic Sequence

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Given: S=2+4+6+8+10+12+15+…
S5=2+4+6+8+10=30
Sn=a1+a2+a3+a4+a5+...+an
Find: Sn=?

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This man out there improving our lives. 👏

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You make math so interesting. You made us think with you to come up with the formula ourselves to get an idea of the thought process behind coming up with the equation. You are a god. Thank you so much.

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