Question

Sa se calculeze a si b: a)a=6√3+√108-4√75+2√147

b=8√3+33√12-5√27

b)a=3√2+11√7-2√112-√200

b=3√28+2√63-√252-√175

c)a=22√7-√648-√567+2√162

b=3√567-√800+2√200+10√175

Answer 1

A) a=6√3+6√2-20√3+7√3
a=-√3
b=8√3+66√3-3√3
b=71√3
B) a=3√2+11√7-8√7-10√2
a=-7√2+3√7
b=6√7+6√7-6√7-5√7
b=√7
C) a=22√7-18√2-9√7+18√2
a=13√7
b=18√7-20√5+20√5+50√7
b=68√7