Question

(2 + √3)² + (2 - √3)²​

Answer 1

Answer:

= (4 + 3 + 4✓3) + (4 + 3 - 4✓3)

= 7 + 7 + 4✓3 - 4✓3

= 14 + 0

= 14

Answer 2

Step-by-step explanation:

(4+3+2√3)+(4+3-2√3)    $(a+b)^{2} = a^{2} +b^{2} +2ab$

$4+3+2\sqrt{3} +4+3-2\sqrt{3}$

$8+6=14$