Diketahui a = -1, b = 3, c = 2, x = 1/2 dan y = -2/3. Hitunglah nilai dari (a+b)²+2c/ax+by!

((-1+3)^2 + 2.2)/-1.1/2 + 3.-2/3
(4 + 4)/ -1/2 - 2
8 / (5/2)
16/5
3.2

(-1+3)(-1+3)+2.2. 2.2+4 8
--------------------- = ---------- = ----
-1.1/2 + 3.-2/3 -1/2 + (-2) -5/2

= 8×(-2/5) = -16/5 = -3,2