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Question

Describe the first term in an arithmetic sequence


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Solution

As we know that Arithmetic Progression (AP) is a sequence of numbers in order in which the difference of any two consecutive numbers is a constant value.

The AP can also be written in terms of common difference, as given below

a,a+d,a+2d,a+3d,a+4d,.,a+(n1)d
where “a” is the first term of the progression.

For example, Let us suppose the AP as , 5,9,13,17,21..

Here, Firsttermis5,Commondifference(d)=9-5=4


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