LYS Matematik Denemesinin Çözümleri Mayıs 2011 Öz-De-Bir

Page 1

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


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