Question

answer the question in the image ​(click the image to have full view)

Answer 1

Answer:

${(a + \sqrt{3}) }^{2}$

Step-by-step explanation:

$using \: {(a + b)}^{2} = {a }^{2} + 2ab + {b}^{2} ,\\ {a}^{2} + 2 \sqrt{3} a + 3 \\ = {(a)}^{2} + 2( \sqrt{3} )(a) + { (\sqrt{3} )}^{2} - - - - - - > ( 3 = \sqrt{3} \times \sqrt{3}) \\ = {(a + \sqrt{3} )}^{2}$