Convert the following fraction in to decimal and mention whether it is terminating or recurring : 97/20.
Answers
Answer:
ans is 4.85 terminated decimal
Answer:
In mathematics, a continued fraction is an expression obtained through an iterative process of representing a number as the sum of its integer part and the reciprocal of another number, then writing this other number as the sum of its integer part and another reciprocal, and so on.[1] In a finite continued fraction (or terminated continued fraction), the iteration/recursion is terminated after finitely many steps by using an integer in lieu of another continued fraction. In contrast, an infinite continued fraction is an infinite expression. In either case, all integers in the sequence, other than the first, must be positive. The integers {\displaystyle a_{i}}a_{i} are called the coefficients or terms of the continued fraction.[2]
{\displaystyle a_{0}+{\cfrac {1}{a_{1}+{\cfrac {1}{a_{2}+{\cfrac {1}{\ddots +{\cfrac {1}{a_{n}}}}}}}}}}a_0 + \cfrac{1}{a_1 + \cfrac{1}{a_2 + \cfrac{1}{ \ddots + \cfrac{1}{a_n} }}}
A finite regular continued fraction, where {\displaystyle n}n is a non-negative integer, {\displaystyle a_{0}}a_{0} is an integer, and {\displaystyle a_{i}}a_{i} is a positive integer, for {\displaystyle i=1,\ldots ,n}i=1,\ldots ,n.
It is generally assumed that the numerator of all of the fractions is 1. If arbitrary values and/or functions are used in place of one or more of the numerators or the integers in the denominators, the resulting expression is a generalized continued fraction. When it is necessary to distinguish the first form from generalized continued fractions, the former may be called a simple or regular continued fraction, or said to be in canonical form.
Continued fractions have a number of remarkable properties related to the Euclidean algorithm for integers or real numbers. Every rational number
{\displaystyle p}p
/
{\displaystyle q}q
has two closely related expressions as a finite continued fraction, whose coefficients ai can be determined by applying the Euclidean algorithm to {\displaystyle (p,q)}(p,q). The numerical value of an infinite continued fraction is irrational; it is defined from its infinite sequence of integers as the limit of a sequence of values for finite continued fractions. Each finite continued fraction of the sequence is obtained by using a finite prefix of the infinite continued fraction's defining sequence of integers. Moreover, every irrational number {\displaystyle \alpha }\alpha is the value of a unique infinite regular continued fraction, whose coefficients can be found using the non-terminating version of the Euclidean algorithm applied to the incommensurable values {\displaystyle \alpha }\alpha and 1. This way of expressing real numbers (rational and irrational) is called their continued fraction representation.
The term continued fraction may also refer to representations of rational functions, arising in their analytic theory. For this use of the term, see Padé approximation and Chebyshev rational functions.
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