Solved papers for JEE Main & Advanced AIEEE Solved Paper-2004
done AIEEE Solved Paper-2004 Total Questions - 2
question_answer1) The sum of the first\[n\]terms of the series \[{{1}^{2}}+{{2.2}^{2}}+{{3}^{2}}+{{2.4}^{2}}+{{5}^{2}}+{{2.6}^{2}}+....\]is \[\frac{n{{(n+1)}^{2}}}{2},\] when n is even. When n is odd, the sum is