Question

If x-y=√3, x²-y²=√5 & a²-a√3+1=0, then find out the value of x+y

Answer 1

√15/3

Explanation:

x² - y² =√5

(x +y)*(x -y) = √5

(x +y) * √3 = √5

x+y = √5 / √3

x +y = √5*√3 / √3*√3

x +y = √15/3