A
A
A
A
A .
MATEMATÝK LYS DENEME SINAVI 1.
1 1 Kökler çarpýmý — ⋅6 = — 3 a 1 a= — 2 1 b Kökler toplamý — + 6 = – — 3 a 19 b = – ––– 6
}
4.
x2 + 5x + 6 = 20 2 3(x + 5x + 6) – 1 = 3⋅20 – 1 = 59
8 a+b=– — 3
Yanýt: B
Yanýt: A
5.
x – |x| ≥ 0 olmalý x ≥ 0 olur. Yanýt: D
2
2.
(x – 1)(x + 1)(1 + x ) f(x) = ––––––––––––––––– = x – 1 olur. (1 + x)(1 + x2) f(1 + M2) = 1 + M2 – 1 = M2 Yanýt: E
6.
4 0<x<2⇒y= — x x≥2⇒y=2 y
3.
1 3–x –––––– –1 ≥ 0 ⇒ –––––– ≥ 0 x–2 x–2 –
+ 2
2
–
0
2
x
3
x∈(2, 3]
y ∈ [2, ∞) olur. Yanýt: C
Yanýt: E 1