Question

sorry, I am still not getting what has happened, I need a more simpler explanation because I am not fast in grasping things easily​

Answer 1

Answer:

okk I will give wait for some time

Step-by-step explanation:

plz mark me as brsinlist

Answer 2

Step-by-step explanation:

Given that:-

4+√15=a-b√15

=>4-(-√15)=a-b√15.....(-×-=+)

=>4-(-1)√15=a-b√15

On comparing both sides

a=4 and b= -1