A) 1027
B) 819
C) 313
D) 727
Correct Answer: B
Solution :
(b): The relation to be used here, is given by\[S=\text{ }{{n}^{2}}+{{\left( n-1 \right)}^{2}}+{{\left( n-2 \right)}^{2}}+-----+1\] (where n = 13).You need to login to perform this action.
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