Question

(5+2radical din 6)^2=?
^2= totul la a 2a

Answer 1

25 + 20rad din 6 + 24 = 49 + 20rad 6

Answer 2

$(5+2 \sqrt{6} )^2=5^2+2 \cdot 5 \cdot 2 \sqrt{6} +(2 \sqrt{6} )^2=25+20 \sqrt{6} +24=49+20 \sqrt{6}$