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Find the sum of the following A.P. 's : ...

Find the sum of the following A.P. 's :
(i) `2, 7,12, .....` to 10 terms. (ii) `(1)/(15),(1)/(12),(1)/(10),.......` to 11 terms.

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AI Generated Solution

To find the sum of the given arithmetic progressions (A.P.), we will use the formula for the sum of the first n terms of an A.P.: \[ S_n = \frac{n}{2} \times (2a + (n - 1)d) \] where: - \( S_n \) = sum of the first n terms ...
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