Pure 2
Pure 3
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AS/A2 Pure 2 Pure 3 |
| P1 Topic 2: Algebra | |
| Simplifying surds |   |
| A surd is a number
written in a form that includes a square root. For example
Ö3, 1+Ö2 and
7Ö5 are all
examples of surds. A surd is a useful way of giving a value in a precise, or
exact, form where there is no need to be concerned with accuracy or decimal
places. In the displays below, when you click the = sign, one step of the process will be revealed. Study it and the comments in the status bar at the bottom, then click the next = sign to reveal the complete process gradually step by step. |
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