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6. Find the sum of the arithmetic series.

∑_(n=1)^5▒〖(9-4n)〗

7. Find the first five terms of the sequence described.

a_1=3,a_(n+1)=a_n+5

User Davi
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4 minutes away and you don’t wanna know what y’all want me anymore i was
User StepTNT
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