If \( a_{1}=2, a_{2}=3+a_{1} \) and \( a_{n}=2 a_{n-1}+5 \) for \( n1 \), the value of \( \sum_{... VIDEO
If \( a_{1}=2, a_{2}=3+a_{1} \) and \( a_{n}=2 a_{n-1}+5 \) for \( n1 \), the value of \( \sum_{r=2}^{5} a_{r} \) ishttps://bit.ly/YTAI_PWAP https://www.pw.live
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