Zadanie 44
a)
(√3 + 1 )(2√3 - 2) = 6 - 2√3 + 2√3 - 2 = 4
b)
(√2 + √3)(√5 + 1) = √10 + √2 + √15 + √3
c)
(√2 + 1)(5 - 2√2) = 5√2 - 4 + 5 - 2√2 = 1 + 3√2
d)
(2 + √2)(2√2 + 3) = 4√2 + 6 + 4 + 3√2 = 10 + 7√2
