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Find the $30$th term in the progression.
Mathematics 9709 · AS & A Level · Series
Series — practice question
In an arithmetic progression, the fourth term is $15$ and the eighth term is $25$.
Worked solution & mark scheme
This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Examples of valid equations include $a+3d=15$ and $a+7d=25$.” …
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