Soal matematika. Tolong bantu yaa. Thank you.

Rumus : √((a + b) + 2√ab) = √a + √b

√(2 + √3) = √(2 + 2 . 1/2 √3)
= √(2 + 2√(3/4))
= √((3/2 + 1/2) + 2√(3/2.1/2))
= √(3/2) + √(1/2)
= √a + √b
ab = 3/2 . 1/2 = 3/4