If \( a_{i} \in R, i=1,2,3 \) and all \( a_{i} \) 's are distinct s... VIDEO
If \( a_{i} \in R, i=1,2,3 \) and all \( a_{i} \) 's are distinct such that \( \left(\sum_{i=1}^{n-1} a_{i}^{2}\right)+6\left(\sum_{i=1}^{n-1} a_{i} \quad a_{i+1}\right)+9 \sum_{i=2}^{n} a_{i}^{2} \leq 0 \)https://bit.ly/YTAI_PWAP https://www.pw.live
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