Question

Calculati
(1-radicaldin 3)totul la a 2 a+radical din 12​

Answer 1

= 1-2√3+9+2√3=10
am aplicat
(a-b)^2=a^2-2ab+b^2
√12=√(4*3)=√4*√3=2*√3

Answer 2

$(1 - \sqrt{3} {)}^{2} + \sqrt{12} \\ 1 - 2 \sqrt{3 } + 3 + 2 \sqrt{3 } \\ 1 + 3 = 4$

=4