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Question Number 175211 by MathsFan last updated on 23/Aug/22
Assumethatthesequencetermstendtotheconstantvalueu,sothatasn→∞,un−1→uandun→u.(i)showthatu2+u−1=0(ii)showthat11+11+11+11+.....=−1+52
Answered by Rasheed.Sindhi last updated on 23/Aug/22
(ii)u=11+11+11+11+.....;u>0u=11+uu2+u−1=0u=−1+1−4(1)(−1)2=−1+52[−1−52<0]
Commented by MathsFan last updated on 24/Aug/22
thankyousir
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