Mathematics Radical Numbers Problem

Question

If,

$$\frac{\sqrt 5+1}{\sqrt 2-1} = x $$

then,

$$\frac{\sqrt 5-1}{\sqrt 2+1} = ? $$

score 2 · Answer 1 · answered Jul 31 '15 at 08:29

2

Hint: Simplify the product of the two expressions.

answered Jul 31 '15 at 08:29

Hagen von Eitzen

score 1 · Accepted Answer · answered Jul 31 '15 at 08:47

1

Let $y=\frac{\sqrt 5-1}{\sqrt 2+1}$

$$\implies xy=\dfrac{5-1}{2-1}=?$$

answered Jul 31 '15 at 08:47

lab bhattacharjee

2 Answers2