Va to`plamlarning birlashmasini toping.; b c ; d


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Variant №9.

  1. va to`plamlarning kesishmasini toping.

  1. ; b) ; c) ; d) .

  1. Har ikkala mulohaza yolg`on bo`lgandagina yolg`on bo`ladigan, qolgan hollarda rost bo`ladigan yangi mulohazaga mulohazalarning … deyiladi.

  1. ekvivalensiyasi; b) konyunksiyasi; c) dizyunksiyasi; d) implikatsiyasi.

  1. matritsaning determinantini hisoblang.

  1. ; b) ; c) ; d) .

  1. Tenglamalar sistemasini yeching:

  1. ; b) ko`p yechim; c) ; d) T/j yo`q.

  1. Agar funksiya uchun shart bajarilsa, u holda funksiya … funksiya deyiladi.

  1. juft; b) davriy; c) monoton; d) murakkab.

  1. Quyidagi funksiyaning aniqlanish sohasini toping: .

  1. ; c) ;

  2. ; d) .

  1. Qaysi shart bajarilganda to`g`ri chiziq absissalar o`qiga parallel bo`ladi?

  1. ; b) ; c) ; d) .

  1. Quyidagi nuqtalardan qaysi biri to`g`ri chiziqqa tegishli?

  1. ; b) ; c) ; d) .

  1. Markazi nuqtada bo`lgan va radiusi ga teng bo`lgan aylana tenglamasi to`g`ri yozilgan javobni aniqlang.

  1. ; c) ;

  2. ; d) .

  1. va vektorlar berilgan bo`lsa, ni hisoblang.

  1. ; b) ; c) ; d) .

  1. ni hisoblang, agar bo`lsa.

  1. ; b) c) ; d) .

  1. va vektorlar berilgan bo`lsa, ni hisoblang.

a) ; c) ; d) .

  1. funksiyaning nuqtadan o`tuvchi boshlang`ich funksiyasini aniqlang.

  1. ; b) ; c) ; d) .

  1. Parallelogrammning uchta ketma-ket uchining koordinatasi berilgan: , va . To`rtinchi uchining koordinatasini aniqlang.

  1. ; b) ; c) ; d)

  1. ni hisoblang, agar burchak bu va vektorlar orasidagi burchak bo`lsa.

b) ; c) ; d)
16. Ushbu 2sin3x funksiya uchun boshlang’ich funksiyaning umumiy ko’rinishini toping.
A)-2/3cos3x+C B)2/3cos3x+C
C)2/3sin3x+C D)3/2sin2x+C
17.|2 -3 1|
|6 -6 2|
|2 -1 2| determinantni hisoblang.
A)12 B)10 C)8 D)16
18. M nuqta BC ning o’rtasi ,N nuqta esa AC ning o’rtasi bo’lsin,OA=3 va OB=4 bo’lganda ON vektorni aniqlansin.
A)5,5 B)5 C) -0,5 D)0,5
19. a ⃗ va b ⃗ nokollinear vektorlar berilgan.|a ⃗ |=|b ⃗ |=2 bo’lsa,(a ⃗+b ⃗ )bilan (a ⃗-b ⃗ ) qanday burchak tashkil etadi.
A)45° B)90° C)75° D)60°
20. .f(x)=(x-1)x³+e³x-1/3 funksiyaning boshlang’ich funksiyasini toping.
A) 1/5x⁵-1/4x⁴+1/3e³x-1/3ln|x|+C
B)1/4x⁴-1/5x⁵-1/3e³x+1/3ln|x|+C
C)1/5x⁵-1/4x⁴-1/3e³x+1/3ln|x|+C
D)(x⁴-x³)/3+3e³x+1/5ln|x|+C
21.Ushbu x²+y²+4x-6y-3=0 tenglama bilan berilgan aylananing markazjni toping.
A)(-2;3) B)(2;3) C)(4;-3) D)(-4;6)
22. .Agar(m-n)²+(m+n)²=73
|m|=2v2 va |n|=3 bo’lsa,m va n vektorlar orasidagi burchakni toping.
A)120 ° B)130° C)128 D)135°
23.Agar
X²-5xy+y²=-47
Xy=21 bo’lsa|x+y|+|x-y| ning qiymatini toping.
A)8 B)10 C)12 D)14
24.Hosila j’(0) ni hisoblang.
f(x)=cosx/1-a
A)4 B)2 C)3 D)1
25. f(x)=(tgx+ctgx)² funksiyaning boshlang’ich funksiyasini toping.
A)tgx-ctgx+C B)tgx-ctgx+2x+C
C)tgx-ctgx+4x+C D)tgx-ctgx-4x+C
26.Agar a ⃗(1;-1;3)va b ⃗(4;3;0)
bo’lsa a ⃗ ning qanday qiymatida 2a ⃗+αb ⃗ va b ⃗-a ⃗ vektorlar perpendikulyar bo’ladi.
A)5/6 B)1 C) 2,1 D) -7/11
27.|cosα sinα|
|sinα cosα| determinantning qiymatini toping.
A)cos2α B) 1 C)-cos2α D) sin2α
28. OACB tog’ri to’rtburchakning OA va OB tomonlariga I va j birlik vektorlar qo’yilgan.Agar OA ning uzunligi 4 ga teng bo’lsa OC vector uzunligini toping?
A)3i-4j B)4j-3i C)3j+4i D)3i
29. Ellips tenglamasini toping.
A)x2-y2=r2 B)x2/a2-y2/b2=1 C)x2+y2=r2 D)x2/a2+y2/b2=1
30. .A = {matematika}
B={informatika}
AUB=?
A){m,a,t,e,I,k,n,f,o,r} B){m,a,t,i,k}
C){e,} D){f,o,r,n}


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