- #1

- 12

- 1

## Homework Statement

The method given in my book is to find the square root of a quadric surds is to :

Consider a and b where both are rational and √b is a surd

Equate the square root of a+√b to √x+√y

ie (a+√b)^(1/2)=√x+√y

Squaring both sides we get a=x+y and b=2√xy

## Homework Equations

## The Attempt at a Solution

I'm stumped how can we take √x+√y