Series and Sequences ! - Jasminum Sambac - அடுக்கு மல்லிகை

How good were you in Mathematics in schools !  :   a²+b² = (a+b)² - 2ab  !! 

Maths was tougher ! – not that other subjects were easy !!   In Arithmetics, - Sequence and series are considered basics. 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.