# Rationalise The Denominator (Simple)

Simple quick, guide in on rationalising the denominator, check my other resources on how to answer in form A+B√C

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## Slides in this set

### Slide 4

Expressions with surds in the denominator
can be difficult to work with…read more

### Slide 5

Multiply top and bottom by…read more

### Slide 6

i.e. reverse the sign of the term…read more

### Slide 10

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A simple, clear example of rationalising the denominator.  Note that the word 'rationalise' means make into a rational number from the same stem as 'ratio'.  The process requires you to eliminate all surds from the denominator.

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# Rationalise The Denominator (Simple)

Simple quick, guide in on rationalising the denominator, check my other resources on how to answer in form A+B√C

Powerpoint Presentation 81.5 Kb

## Slides in this set

### Slide 4

Expressions with surds in the denominator
can be difficult to work with…read more

### Slide 5

Multiply top and bottom by…read more

### Slide 6

i.e. reverse the sign of the term…read more