Question

simplify (3+under root 3)(3_under root 3)​

Answer 1

Answer:

(3+√3)(3-√3)

this is in the form of (a+b)(a-b)

we can write it as asquare-bsquare

(3+√3)(3-√3)

3square-(√3) square

9-3=6

there fore (3+√3)(3-√3)=6