Showing posts with label Set theory. Show all posts
Showing posts with label Set theory. Show all posts

Friday, May 17, 2013

What is a Difference in Math

Introduction to what is a difference in math:

In math, the subtraction of two terms are called as difference and give the difference value. What is a difference in math is use the different method in different branch. For example, if we want to know the difference between the 20 and 10 means subtract the numbers and get the difference as 10.Here we see about different types of difference method with example.

Please express your views of this topic Mathematical Mean by commenting on blog.

Explanation for what is a difference in math


What types of methods are used in difference in math:

Normal arithmetic subtraction
Finite difference
Percent difference
Set theory difference
Normal arithmetic subtraction:

This normal subtraction is performed based on sign of numbers.Some conditions are used in subtraction.

If we subtract the two negative numbers means the difference is carry the negative sign and add the numbers. For example, subtract the -10 and -5 and get the difference as -5.
If we subtract the two positive numbers means determine the difference from large number. For example, find the difference between 55 and 30 and get the difference as 25.
In math subtraction, the ‘-‘ is used for representation.
Finite difference:

The differential equation subtraction is performed by finite difference. The math expression for finite difference is f(x + b) – f(x + a). There are forward, backward and central difference.

Other math difference:

Percent difference – The subtraction of two percentage is used in quality assurance.

Set difference – The representation of set difference is B\A that is elements of B is not in A. The formula for set difference is B \ A = { x = B | x = A }.

Understanding math test 6th grade is always challenging for me but thanks to all math help websites to help me out.

Examples for what is a difference in math:


Problem 1: What is the difference between 1000 and 570.

Answer:

Difference of these numbers is 1000 – 570 = 430.

Problem 2: What is the difference between given sets?

X = { 4, 5, 6 } and Y = { 5, 6, 7 }.

Answer:

The set difference is { 4 }.

Exercise problem for difference in math:

1. What is the difference between 58% and 25%?

Answer: The difference of percent is 33%.

2. What is the difference between 88 and 44?

Answer: Difference is 44.