Question

3 + root 7 by 3 minus root 7 is equal to a + b root 7 find a and b

Answer 1

here is ur answer........

Answer 2

Hey mate !!!

Answer :-

Rationalising factor of 3 -√7 is 3 +√7

⇒3+√7/3-√7 × 3+√7/3+√7

=> 9+6√7/9-7

=>16 +6√7/2

=> 2(8+3√7)/2

=> cancelling 2

We get ,

8 + 3 √7

a = 8

b = 3

Hope this helps :)