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The ratio between the sum of first n ter...

The ratio between the sum of first n terms of two A.P.'s are in the ratio (7n-5) : (5n+17). Find the ratio of their 10th terms.

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To solve the problem step by step, we will follow the instructions given in the video transcript while ensuring clarity in each step. ### Step-by-Step Solution: 1. **Understanding the Problem**: We need to find the ratio of the 10th terms of two arithmetic progressions (APs) given that the ratio of their sums of the first n terms is \((7n - 5) : (5n + 17)\). 2. **Sum of the First n Terms of an AP**: ...
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