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Grade: 11
        
11^2+13^2+15^2+......29^2.  Find the sum......Plz do the roblem as soon as possible.  Tomorrow  I have my exam 
4 months ago

Answers : (2)

Arun
22963 Points
							
Dear student
 
Tn = (2n + 1)^2 = 4n^2 + 1 + 4n
 
now Sn = sigma (Tn)
 
Now find S14 – S4
 
Hope it helps
 
Regards
Arun
4 months ago
Vikas TU
9460 Points
							
Hiii 
Write this in general term as odd number as (2r-1)
and take the limit of  expansion  from r= 6 to r = 15 , 
square  and solve the question.
4 months ago
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