Question

What is the general form of Arithmetic Progression?

Answer 1

the ans is The general form of an Arithmetic Progression is a, a + d, a + 2d, a + 3d and a+4d.so on.
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Answer 2

The general form of an Arithmetic Progression is a, a + d, a + 2d, a + 3d and so on. Thus nth term of an AP series is Tn = a + (n - 1) d, where Tn = nth term and a = first term. Here d = common difference = Tn - Tn-1.Sum of first n terms of an AP: S =(n/2)[2a + (n- 1)d]The sum of n terms is also equal to the formulawhere l is the last term.Tn = Sn - Sn-1 , where Tn = nth termWhen three quantities are in AP, the middle one is called as the arithmetic mean of the other two. If a, b and c are three terms in AP then b = (a+c)/2


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