SOLUTION: Topic : Surds Rationalise the denominator and simplify the following surd 3sqrt5 + 2 ----------- - 2sqrt5 - 4

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Topic : Surds Rationalise the denominator and simplify the following surd 3sqrt5 + 2 ----------- - 2sqrt5 - 4       Log On


   

Question 565998: Topic : Surds
Rationalise the denominator and simplify the following surd

3sqrt5 + 2
-------------
2sqrt5 - 4


Answer by ad_alta(240) About Me  (Show Source):
You can put this solution on YOUR website!
1) (3*sqrt(5)+2)/(2*sqrt(5)-4) [multiply the top and bottom by 2*sqrt(5)+4]
2) (16*sqrt(5)+38)/(4)
3) (8*sqrt(5)+19)/2