What is the product of #(3 + sqrt5)# and #(3- sqrt5)#?
1 Answer
Dec 30, 2015
See solution presented below.
Explanation:
(3 + √5)(3 - √5)
= 9 + 3√5 - 3√5 - √25
= 9 - 5
= 4
The product is 4.
Hopefully you understand now.
