Question

Efectuati: a) (√12+1)²=
b) (√3+√2)²=
c) (√8-3)²=
d) (√10-√6)²=
e) (√13-√5)(√13+√5)=
f) (5-√6)(5+√6)=
Va multumesc!

Answer 1

a) (√12+1)²=12+2√12+1=13+2√12 b) (√3+√2)²=3+2√6+2=5+√6
c) (√8-3)²=8-6√8+9=17-12√2
d) (√10-√6)²=10-2√60+6=16-4√15
e) (√13-√5)(√13+√5)=13-5=8
f) (5-√6)(5+√6)=25-6=19