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Class 10 Mathematics Arithmetic Progressions (AP)Finding the sum of the first $n$ terms of an APExpert

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In an AP, (S_{12}=540) and (S_{24}=1944). Find the value of (S_{36}).

Answer and explanation

Correct answer: (4212)

The given sums give (a=12) and (d=6), so (S_{36}=4212). From two partial sums, determine the AP first.

Related tags

Two Partial Sums Find Later Sum Ap Finding The Sum Of The First $N$ Terms Of An Ap Finding The Sum Of The First N Terms Of An Ap Arithmetic Progressions (Ap)Arithmetic Progressions Ap Mathematics

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