A) 11300
B) 12100
C) 12100
D) 12300
Correct Answer: C
Solution :
\[{{2}^{2}}+2{{(4)}^{2}}+3{{(6)}^{2}}+\]??.up to 10 terms \[={{2}^{2}}[{{1}^{3}}+{{2}^{3}}+{{3}^{3}}+\]......upto 10 terms\[]\] \[=4.{{\left( \frac{10\times 11}{2} \right)}^{2}}=12100\]You need to login to perform this action.
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