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GCSE Notes and Revision ­ Surds
See videos : http://www.waldomaths.com/video/Surds01/Surds01.jsp + +

Rules of surds
(1) Multiplication a b ab , eg. 2 3 6
a a 10 10
(2) Division , eg. 5
b b 2 2
(3) Squaring and rooting ( a ) 2 a , eg. 7…

Page 2

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10 5 2 35
Questions 4: Simplify: (a) (b) (c)
5 3 3
3 6 12 21 2 15 12 3 6 2
(d) (e) (f) (g)
3 6 12 6

(E) Multiplying brackets with surd expressions. Initially you should treat the surd
expression like an algebraic expression, and simplify…

Comments

daviesg

Fantastic notes on surds

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