Question

simplyfy (route11+ route7) (route11-route7)​

Answer 1

Answer:

4

Step-by-step explanation:

(√11 + √7)(√11 - √7)

{Using identity : (a + b)(a - b) = a² - b²}

(√11)² - (√7)²

11 - 7

4

Answer 2

Answer:

Step-by-step explanation:

( route11 + route7) (route11 - route7)

= (route11)^2 - (route7)^2