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The first and the last terms of an AP ar...

The first and the last terms of an AP are 17 and 350 respectively. If the common difference is 9, how many terms are there and what is then sum?

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To solve the problem step by step, we will determine the number of terms in the arithmetic progression (AP) and then calculate their sum. ### Step 1: Identify the given values - First term (a) = 17 - Last term (l) = 350 - Common difference (d) = 9 ### Step 2: Use the formula for the nth term of an AP ...
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