Question

square of 2 + root3​

Answer 1

Step-by-step explanation:

by seeing from questions you get idea about (a+b)^2 here

a=2 and b=√3 then see from photo attached to answer

Answer 2

Answer:

${(2 + \sqrt{3} })^{2} \\ {2}^{2} + { \sqrt{3} }^{2} + 4 \sqrt{3} \\ 4 + 3 + 4 \sqrt{3} \\ 7 + 4 \sqrt{3}$