find sum of n,
r=1(3r2-2r+1)
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Answer:
it was the avenger that was a long way off and I dont think I would be a long
Step-by-step explanation:
I think it was the same with a long ball but I think we should be doing it again in a long way but
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Answer:
1(3r+2r+1-2)
1(5r+1)
5r+1
6
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