Question

Question:(5+√11)(5−√11). Find the required number.​

Answer 1

Answer:

(a+b)(a-b)=a²-b²

just imply this formula u will get ur answer

I think it is helpfull

Answer 2

Question:

(5+√11)(5−√11). Find the required number.

Answer :

First, we consider the number a and b.

And write as it is..

(a + b) (a - b)

Then, here is a formula

(a + b) (a - b) = a² - b²

(5)² - (√11)²

25 - 11

14

14 is the Answer