From simple to more complex
You know how we count using numbers like 1, 2, 3, these are the rational numbers, and they’re like your basic building blocks. But sometimes, you need new numbers to solve puzzles or build bigger shapes. For example, if you want to find out what number multiplied by itself gives you 2, you might not have that number in your current set of blocks, it’s the square root of 2!
A field extension is like adding a new kind of block (or several) to your collection so you can solve more problems or build more interesting shapes. It’s just like upgrading from building with small blocks to using bigger, stronger ones.
So field extensions are about taking what you know and making it bigger, not in size, but in power! Imagine you're building with blocks, some blocks are small, some are big. Now, what if you had a special kind of block that could let you make new kinds of shapes? That’s like what field extensions do in math.
From simple to more complex
You know how we count using numbers like 1, 2, 3, these are the rational numbers, and they’re like your basic building blocks. But sometimes, you need new numbers to solve puzzles or build bigger shapes. For example, if you want to find out what number multiplied by itself gives you 2, you might not have that number in your current set of blocks, it’s the square root of 2!
A field extension is like adding a new kind of block (or several) to your collection so you can solve more problems or build more interesting shapes. It’s just like upgrading from building with small blocks to using bigger, stronger ones.
So field extensions are about taking what you know and making it bigger, not in size, but in power!
Examples
- Extending the rational numbers by including √2 gives us the irrational numbers.
Ask a question
See also
- Why Do Numbers Sometimes Act Like They’re Living Things?
- How Does Prime Numbers Might Not Be Random After All Work?
- How Does Painted with numbers: mathematical patterns in nature Work?
- How Does 8128 and Perfect Numbers - Numberphile Work?
- How Does The Amazing Perfect Numbers! | Number Theory Work?