Question

Buna seara va rog sa ma ajutati

Answer 1

(2√3 +2)² = (2√3)² + 8√3 + 4 = 12 + 8√3 + 4 = 16 + 8√3

Answer 2

$(2 \sqrt{3} +2)$²
$(2 \sqrt{3} )²+2*2 \sqrt{3} *2+2$²=4*3+8$\sqrt{3}$+4
=12+$8 \sqrt{3}$+4=16+$8 \sqrt{3}$