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


Agar xy=4,yz=7 va xz=28 (y>0) bo’lsa,xyz ni toping. A)-28 B)28 C)27 D)56 22


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21.Agar xy=4,yz=7 va xz=28 (y>0) bo’lsa,xyz ni toping.
A)-28 B)28 C)27 D)56
22.Agar x²-2xy+y2=9
xy=10 bo’lsa,|x+y| ni hisoblang.
A)7 B)6 C)5 D)8
23.Hosila j’(0) ni hisoblang.
f(x)=cosx/1-a
A)4 B)2 C)3 D)1
24. Hosila g ‘(п/3) ni hisoblang.
g(x)=3x²/п-2tgx-п
A)10 B)2п-8 C)п+4 D)-6
25.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°
26. Uchburchakning uchlari A(3;-2;1),B(3;0:2) va C(1;2;5) nuqtalarda joylashgan.Shu uchburchakning BD medianasi va AC asosi orasidagi burchakni toping?
A)30° B)60° C)45° D)75°
27. Agar xy=6,yz=2 va xz=3 (x>0) bo’lsa,xyz ni toping.
A)-6 B)6 C)5 D)12
28.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
29.|3 -2|
|-4 5| bo”lgan determinantning yechimi a bo’lsa,2a ni hisoblang.
A)-7 B)14 C)-14 D)7
30 .A(-1;3); B(0;2);C(1;-1) nuqtalardan o’tuvchi aylana tenglamasi yozilsin.
A)(x-4)2+(y-1)2=25
B)(x+4)2+(y+1)2=25
C)(x+4)2+(y-1)2=25
D)(x-4)2+(y+1)2=25

Variant №8
1. Ikki vektorning vektor ko`paytmasining geometrik ma`nosi nimani anglatadi?
A) kvadrat yuzasi B) uchburchak yuzasi C) parallelogramm yuzasi
D) paralleliped xajmi
2. determinantni hisoblang.

  1. B) C) D)

3. A(3; 4; 1) nuqtadan = 0 tekislikgacha bo’lgan masofani toping.

A) B) 6 C) D) 2


4. Quyidagilardan kaysi biri to’plam birlashmasini ifodalaydi.
A) A B) C) D) AG’B
5. А vа V mulоhаzаlаr .......... dеb, А mulоhаzа rоst vа V mulоhаzа yolg’оn bo’lgаndаginа yolg’оn, qоlgаn hоllаrdа rоst bo’lаdigаn mulоhаzаgа аytilаdi.
A) inkori B) diz`yunksiyasi C) konyuksiyasi D) implikatsiyasi

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