bentuk sederhananya adalah

(2³ + 2^0 +2^1) - (4^3/2 + 4^1/2 + 4^-1/2) ------ 2^0 = 1
= (8 + 1 + 2) - ((2^2)^3/2 + (2^2)^1/2 + (2^2)^-1/2
= 11 - (2^3 + 2^1 + 2^-1)
= 11 - (8 + 2 + 1/2)
= 11 - (10 + 1/2)
= 11 - 21/2
= 22/2 - 21/2 = 1/2

maaf kalau salah, semoga membantu :)