Question

if 3+√7/3-√7 = a+b√7,find the value of a and b​

Answer 1

Answer:

3+√7/3-√7=a+b√7

(3+√7)²/9-7=a+b√7

9+7+6√7/2=a+b√7

16+6√7/2=a+√7

8+3√7=a+b√7

comparing both sides

a=8 ,b=3