Changes
From Karnataka Open Educational Resources
4 bytes added
, 10:41, 12 August 2014
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| ===Notes for teachers=== | | ===Notes for teachers=== |
− | 1.Like surds: A group of surds having same order and same radicand in their simplest form | + | 1.Like surds: A group of surds having same order and same radicand in their simplest form. |
| Example: <math>3\sqrt{5}, 7\sqrt{5}, x\sqrt{5}</math><br> | | Example: <math>3\sqrt{5}, 7\sqrt{5}, x\sqrt{5}</math><br> |
− | 2.Unlike surds: Groups of surds having different orders or different radicandsor both in their simplest form | + | 2.Unlike surds: Groups of surds having different orders or different radicandsor both in their simplest form. |
| Example: <math>\sqrt{a}, 3\sqrt{2}, x\sqrt{5}</math><br> | | Example: <math>\sqrt{a}, 3\sqrt{2}, x\sqrt{5}</math><br> |
− | 3.Addition and sustraction of surds | + | 3.Addition and sustraction of surds. |
| Example: <math>2\sqrt{5}+3\sqrt{5}-\sqrt{5}</math><br> | | Example: <math>2\sqrt{5}+3\sqrt{5}-\sqrt{5}</math><br> |
− | 4.Multiplication of surds | + | 4.Multiplication of surds. |
| Example: <math>\sqrt{3} X 2\sqrt{5}</math><br> | | Example: <math>\sqrt{3} X 2\sqrt{5}</math><br> |
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