Question

General form of an A.P​

Answer 1

Answer:

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. ... The sum of n terms is also equal to the formula where l is the last term.

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Answer 2

Answer:

An = a + ( n-1 ) d

Step-by-step explanation:

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