Also a simple explanation for factorisation is needed. You have to be much more specific. Surds is a very encompassing term. Since this is not my area of expertise, I searched Google under the key words "surds" to get these possible sources: (Broken Link Removed) (Broken Link Removed) http://www.mathsisfun.com/surds.html http://en.wikipedia.org/wiki/Nth_root (Broken Link Removed) I hope this helps. Thanks for asking. the question says " write an irrational fraction that when rationalised the solution is 5. prove" please help suck me I have got aproject in maths regarding surds . i want theory of surds

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