Question

Please please tell me yaar

Answer 1

hii mate 

here is ur answer

3+√7 / 3-√7multiply 3+√7 on both numerator and denomerator (3+√7)² /  (3-√7)(3+√7) = a+b√7⇒9 + 7 + 6√7 / 3² -√7²   = a+b√7⇒16+ 6√7 / 9-7              =a+b√7⇒16+ 6√7 / 2                  =a+b√7⇒2(8+3√7)/2                  =a+b√7⇒8 +3√7                          =a+b√7
on compairing both sidesa=8b=3
hope this will help u

Answer 2

Answer- See the following attachment.

Pl. mark as the BRAINLIEST answer if helpful..