Question

find the value of (3+√5)(3-√5)
a) 1

b) 2

c) 3

d) 4​

Answer 1

Answer:

4 (d)

Step-by-step explanation:

(a-b)(a+b)=a²-b²

3²-(√5)²

9-5

4

Answer 2

Here is your answer mate .

Answer:

d) 4