Maqsadlar birlashgan manzil!
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@Registan Universam-MATEMATIKA 12.08.20
- Bu sahifa navigatsiya:
- MATEMATIKA www.rgn.uz
- Tuzuvchi : Erkin Tilloyev Registan LC Universam filiali
MATEMATIKA www.rgn.uz @Registan_Universam – maqsadlar birlashgan manzil! MATEMATIKA 1. sinx∙cosx=A va sinx - cosx=B bo`lsa, qaysi munosabat o`rinli? A) A 2
2 =1 B) 2A+B 2 =1 C) A 2 +B=1 D) A 2
2. {x│x ∈ 𝑁, 34 ≤ 𝑥 2 ≤ 101} to’plamning nechta bo’sh bo’lmagan qism to’plamlari bor?
A) 32 B) 15 C) 31 D) 63
( 1
) −( 1 2 ) −1 A)
1 16 B) 1 4 C)2 D)16 4) Katta aylana radiusi 2 ga teng bo’lsa, kichik aylana radiusini toping.
A)
√2−1 B) 2−√2 C) 3−2√2 D) 2
√2−2
S ,bo’lsa, bo’yalgan yuzaning yuzini toping?
A) 𝑆 16 B) 𝑆 12 C) 𝑆 18 D) 3𝑆 16
qiymatini toping ? A)1 B)2 C)3 D)4
n
lar esa bo’laklar yuzini ifodalaydi.Bunga ko’ra A
12 qiymatini toping.
A)1516 B)1644 C)1728 D)1789 8. a,b va c haqiqiy sonlar, a∙ b ∙ c=15 va a+b+c=0 bo’lsa (a+b-c) ∙ (a-b+c) ∙(-a+b+c) ifodani son qiymatini toping. A)108 B)100 C)-48 D)-120
√2020 2020
2020 2020
=? A)
2020 2019
2020 B) 2020 2019
2019
C) 2020
2020 2019
D) 2020
2020 2020
−1
10.Ifodani hisoblang: 3 1+2 −√5 + 4 1+5 −√7
+ 3 1+2 −√5 + 4 1+5 −√7
A)3 B)4 C)7 D)12
8 , 5 12 , 2
24 sonlar uchun quyidagilarning qaysi biri to'g'ri? A) 2
24 < 10
8 < 5
12 B) 2
24 < 5
12 < 10
8
C) 5 12
< 2 24 < 10 8 D) 10 8 < 2
24 < 5
12
12. x va y o’zaro tub sonlar. x y=120 bunga ko’ra EKUB(x,y)+EKUK(x,y) ifodani qiymati qancha ? A)108 B)121 C)124 D)126
A=3a+5=4b+7=5c+14 bunga ko’ra A ning eng kichik uch xonali qiymatini toping A)137 B)123 C)119 D)112
AE=2FB, DE= √8, FC=√5 bo’lsa, FB ni toping. MATEMATIKA www.rgn.uz @Registan_Universam – maqsadlar birlashgan manzil!
A) 2.5 B) 2 C)1.5 D)1 15. m+1 va n+1 o'zaro tub sonlar. m ∙n+m+n=44 bunga ko’ra m+n yig’indi quyidagilarni qaysi biriga teng ? A)15 B)14 C)12 D)10
yeching.√ 2𝑥 − 1 − 2√𝑥 2 − 𝑥 + √2𝑥 − 1 + 2√𝑥 2 − 𝑥 = 10 Bunda (𝑥>1) A) 5 B) 25 C) 90 D) 125
bittasini bilganlardan iborat guruhning 70%i inglizcha, 45%i nemischa biladi. Faqat nemischa bilganlar 18 kishi bo’lsa, inglizcha bilgan necha kishi bor? A) 54 B) 42 C) 36 D) 32
sohaning yuzini toping?
A) 4.6 B) 5 C) 5.25 D) 6.5 19. 𝑓(𝑥) =
𝑥 1−2
𝑥 − 𝑥 2 ushbu funhsiya uchun qasi tasdiq to'g'ri: A) juft B) toq C) juft ham , toq ham emas D) aniqlanmagan
qarama-qarshi o’rnatib chiqildi. Chap tomondan boshlab bayroqlar 1,2,3,.. sonlar bilan begilab chiqilmoqda ko’cha oxirida burulib belgilash davom etirilgan bo’lsa n ning qiymati qancha
A)100 B)105 C)108 D)110 21. A(0;3) , B(5;1) va C(a;0) nuqtalar berilgan. │AC│ +│BC│ kesmalar yig'indi eng kichik qiymatga ega bo'ladigan a ni toping?
A) 2.5 C) 0.25 C) 3.75 D) 2.75
x 4
3 – 18x
2 + ax + b=0 3 ta ildizi o’zoro teng bo’lsa, a+b ni toping? A) -90 B) -92 C) -98 D) -100
4 5!
5 6! + 6 7! + 7 8! = 1 𝐴 − 1 8! bunga ko`ra A ning qiymatini toping. A)4 B)8 C)12 D)24
A) (√2 − 1)(√3 + 2) B) (√2 + 1)(√3 − 2) C) (2 − √2)(√3 + √2) D) (2 + √2)(√3 − √2) 25. (-18:(-2)+6):(-3)+8 = ? A)-5 B)-1 C)1 D)3 26. Qirrasi 6 ga teng bo’lgan kubning pastki asosidagi uchta uchi va ustki asosining bir uchini tutashtirib hosil qilingan piramidaning hajmini toping. A) 36 B) 108 C) 72 D) 144
48π ga teng. Shu konusning asosiga parallel MATEMATIKA www.rgn.uz @Registan_Universam – maqsadlar birlashgan manzil! tekislik bilan kesilishidan hosil bo’lgan aylananing radiusi 3 ga teng bo’lsa, kesilishdan hosil bo’lgan eng kichik konusning hajmini toping. A) 12π B) 18π C) 24π D) 6π 28. 𝑓(𝑥) =
𝑥 2 −1 𝑥+1 funksiyani grafigi qaysi kalitda ko’rsatilgan ?
29. ABCD kvadratning AD tomonidan K nuqta olindi va 4KD=3AD. Agar kvadratning tomoni 5 ga teng bo’lsa, B nuqtadan CK chiziqqacha bo’lgan masofani toping. A) 1,2 B) 2,4 C) 4 D) 2
cosx
bo`lsa, f ´ ( 𝜋 2 ) A) ln3 B) –ln3 C) 0 D) T.J.Y.
Tuzuvchi : Erkin Tilloyev Registan LC Universam filiali Matematika fani o’qituvchisi
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