Introduction
Surds are irrational numbers. They are simply square roots of rational numbers that cannot be written in the form of rational numbers.
Examples of surds are √2, √5, √14, √28, etc.
Rules of Surds
1. √ (a x b) = √a x √b
2. √ (a / b) = √a / √b
3. √ (a + b) ≠ √a + √b
4. √ (a - b) ≠ √a - √b
Basic Forms of Surds
√a is said to be in its basic form if A does not have a factor that is a perfect square. E.g. √6, √5, √3, √2 etc.
√18 is not in its basic form because it can be broken into √(9x2) = 3√2. Hence, 3√2 is now in its basic form
Surds are irrational numbers. They are simply square roots of rational numbers that cannot be written in the form of rational numbers.
Examples of surds are √2, √5, √14, √28, etc.
Rules of Surds
1. √ (a x b) = √a x √b
2. √ (a / b) = √a / √b
3. √ (a + b) ≠ √a + √b
4. √ (a - b) ≠ √a - √b
Basic Forms of Surds
√a is said to be in its basic form if A does not have a factor that is a perfect square. E.g. √6, √5, √3, √2 etc.
√18 is not in its basic form because it can be broken into √(9x2) = 3√2. Hence, 3√2 is now in its basic form
Introduction
Surds are irrational numbers. They are simply square roots of rational numbers that cannot be written in the form of rational numbers.
Examples of surds are √2, √5, √14, √28, etc.
Rules of Surds
1. √ (a x b) = √a x √b
2. √ (a / b) = √a / √b
3. √ (a + b) ≠ √a + √b
4. √ (a - b) ≠ √a - √b
Basic Forms of Surds
√a is said to be in its basic form if A does not have a factor that is a perfect square. E.g. √6, √5, √3, √2 etc.
√18 is not in its basic form because it can be broken into √(9x2) = 3√2. Hence, 3√2 is now in its basic form
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