<p>The sum, \(S_n\), of the first \(n\) terms of the sequence \(\{u_n\}\) is given by</p>
<p style="text-align: center">\[S_n = 2n^2 - 3n, n = 1, 2, 3, \dots\]</p>
<ol class="i-list"><li><div class="list-item-content"><span class="list-item-text">Find the sum of the terms from the \(10\)th term to the \(23\)rd term of \(\{u_n\}\).</span></div></li><li><div class="list-item-content"><span class="list-item-text">Find \(u_n\) in terms of \(n\).</span></div></li></ol>

The sum, \(S_n\), of the first \(n\) terms of the sequence \(\{u_n\}\) is given by

Find the sum of the terms from the \(10\)th term to the \(23\)rd term of \(\{u_n\}\).

Method of Difference involving uₙ−uₙ₋₁.

Recurrence Relations and Summation

International Baccalaureate Higher Level Mathematics

Recovering term from sequence example

Recovering term from sequence example

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