Find the sum of the following series 2²+3²+……+20²

(a) 2867
(b) 2868
(c) 2869
(d) 2870

Anurag Mishra Professor Asked on 29th February 2016 in Maths.
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    Answer: (c) 2869 

    Anurag Mishra Professor Answered on 1st March 2016.
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