Question

plz help me out in this question with full process on these two questions ​

Answer 1

for the first one the answer is root 998001 = 999

Answer 2

Step-by-step explanation:

5+2√3/7+4√3=a+b√3

by rationalization

5+2√3/7+4√3*7-4√3/7-4√3=a+b√3

35-8*3/49-16*3=a+b√3

11/1=a+b√3

11=a+b√3