MCQ
${1^2} + {2.2^2} + {3^2} + {2.4^2} + {5^{^2}} + {2.6^2} + .... + 2{(2m)^2}$ = .....
- A$m(2m+1)^2$
- B$m^2(m+2)$
- C$m^2(2m+1)$
- D$m(m+2)^2$
$\frac{{2m\left( {2m + {1^1}} \right)}}{2} = m\left( {2m + {1^2}} \right)$
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