A. Arithmetic Sequence - a sequence in which every term is created by adding or subtracting a definite number to the preceding number is an arithmetic sequence.
B. Fibonacci Sequence - Fibonacci numbers form an interesting sequence of numbers in which each element is obtained by adding two preceding elements and the sequence starts with 0 and 1.
C. Harmonic Sequence - a series of numbers is said to be in harmonic sequence if the reciprocals of all the elements of the sequence form an arithmetic sequence.
Answers & Comments
A. Arithmetic Sequence - a sequence in which every term is created by adding or subtracting a definite number to the preceding number is an arithmetic sequence.
B. Fibonacci Sequence - Fibonacci numbers form an interesting sequence of numbers in which each element is obtained by adding two preceding elements and the sequence starts with 0 and 1.
C. Harmonic Sequence - a series of numbers is said to be in harmonic sequence if the reciprocals of all the elements of the sequence form an arithmetic sequence.
D. Arithmetic Sequence