Question

A) (√3+2√2)(4√3-√2)= b) (3-√7)(2+2√7)= c) (3+4√2)do potęgi drugiej= dajcie szybko odp :)

Answer 1

a) (√3+2√2)(4√3-√2)=12-√6+8√6-4=7√6+8

 

b) (3-√7)(2+2√7)=6+6√7-2√7-14=4√7-8

 

c) (3+4√2)²=9+24√2+36=24√2+45