jee-main 2023 Q64

jee-main · India · session1_31jan_shift2 Sequences and Series Evaluation of a Finite or Infinite Sum
The sum $1^2 - 2 \cdot 3^2 + 3 \cdot 5^2 - 4 \cdot 7^2 + 5 \cdot 9^2 - \ldots + 15 \cdot 29^2$ is $\_\_\_\_$. 
The sum $1^2 - 2 \cdot 3^2 + 3 \cdot 5^2 - 4 \cdot 7^2 + 5 \cdot 9^2 - \ldots + 15 \cdot 29^2$ is $\_\_\_\_$.
Paper Questions
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