tolong bantu ya!!!! buat dikumpulin besok plisssss

a^(1/4) + 9^(1/4) = 1/(2 - √3)
a^(1/4) + (3^2)^(1/4) = 1/(2 - √3) . (2 + √3)/(2 + √3)
a^(1/4) + 3^(1/2) = (2 + √3)/(4 - 3)
a^(1/4) + √3 = (2 + √3)/1
a^(1/4) = 2 + √3 - √3
a^(1/4) = 2 =====> kedua ruas dipangkatkan 4
(a^(1/4))^4 = 2^4
a = 16