Question

Find the value of a and b when a + b root 15 is equal to root 5 + root 3 upon root 5 minus root 3

Answer 1

Answer:

a=4 , b =1

Step-by-step explanation:

(Sqrt5 + sqrt3)/(sqrt5 - sqrt3) * (sqrt5+sqrt3)/(sqrt5 + sqrt3)

= (5 + 3 + 2 sqrt15)/(5-3)

= 4 + sqrt15

= a + b sqrt15

So a =4 b = 1

Answer 2

hope this answer helps u :)