Surds Flashcards
1
Q
What does rationalising the denominator mean?
A
Making the denominator a whole number, not a surd
2
Q
How do you rationalise the denominator?
A
Multiply the top and bottom of the fraction by the surd part in the denominator
3
Q
What should you check for your answer every time
A
If it can be written as an integer
