Question

√ 8-√5/ √8+√ 5=a-b√40 find a and b

Answer 1

Step-by-step explanation:

√ 8-√5/ √8+√ 5

mupltiply numenator and denominator by √8 - √5

(√8-√5 )^2 /(8-5)

(8-5-√40)/3

(3-√40)/3

1-1/3 √ 40

a = 1 ,b = 1/3