Question
If the sum of the first n terms of an AP is , what is the first term (that is )? What is the sum of first two terms? What is the second term? Similarly, find the 3rd, the 10th and the nth terms.
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Question 1
Find the sum of those integers between 1 and 500 which are multiples of 2 as well as of 5.Question Text | If the sum of the first n terms of an AP is , what is the first term (that is )? What is the sum of first two terms? What is the second term? Similarly, find the 3rd, the 10th and the nth terms. |