วันพฤหัสบดีที่ 24 สิงหาคม พ.ศ. 2566

25 (Exam Math ONET ก.พ.-65-ข้อ9)

Sequences & Series



Sequence and series are the basic topics in Arithmetic. An itemized collection of elements in which repetitions of any sort are allowed is known as a sequence, whereas a series is the sum of all elements. An arithmetic progression is one of the common examples of sequence and series.

● In short, a sequence is a list of items/objects which have been arranged in a sequential way.

 A series can be highly generalized as the sum of all the terms in a sequence. However, there has to be a definite relationship between all the terms of the sequence.


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