Question

the value of (4+√5)(4-√5)​

Answer 1

Answer:

answer is 11

Step-by-step explanation:

(a+b) (a-b)= a²-b²

4+√5 ×4-√5 =16-5=11

thank you

Answer 2

Answer:

by using identity (a+b)( a-b)= a²-b²

u will get answer