Question

please answer it quickly​

Answer 1

Answer:

A=11 B=-6

Step-by-step explanation:

Rationalize it

5-2√3/7-4√3 ×(7+4√3)/7+4√3

35+20√3-14√3-24/7²-(4√3)²

11+6√3/49-48

11+6√3/1

Compare with a-√3b

-√3b= 6√3

b=-6

while a =11