Daina111
Daina111
05-03-2018
Mathematics
contestada
Please someone help me !!! Thank you !!
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sqdancefan
sqdancefan
08-03-2018
You can determine which is correct by seeing which one properly counts the squares in the first term (n=1). Only selection B does. 3*1 +1 = 4.
Selection B is appropriate.
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