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An=-7+(n-1) (4) find a10
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An=-7+(n-1) (4) find a10

User Jonathan Wiepert
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1 Answer

6 votes

Solution

We have the following general expression:

an = -7 +(n-1)4

And we want to find a10 so we can do this:

a10= -7 +(10-1)*4= -7 + 9*4= -7 +36= 29

User Yazh
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