Question

what is the rationalizing factor of 2 +√7​

Answer 1

= root 7 this is your answer

Answer 2

Answer:

2 + root 7

=> 2 + root 7 × 2 - root 7 => (2)^2 - ( root 7)^2 => 4-7

__________________ _____________ _______

2 - root 7 2 - root 7 2 - root 7

=> -3

_______

2 - root 7

Ans. -3

______

2 - root 7

Hope it helps.