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https://prnt.sc/s6nkm3

 Apr 27, 2020
 #1
avatar+24995 
+2

am i correct ?

 

arithmetical series \(16,\ 7.5,\ -1,\ -9.5,\ -\ldots \)
arithmetical series \(16,\ 16-8.5,\ 16-2*8.5,\ 16-3*8.5,\ \ldots \ \text{common difference = -8.5}\)

 

laugh

 Apr 27, 2020
edited by heureka  Apr 27, 2020

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