Kafedrasi tomonidan o‘qitilgan va yakunlangan (yoki yakunlanadigan) fanlar bo‘yicha testlar bazasi

2-mavzu: Detirminantlar va ularning xossalari.. -2 soat ma’ruza, 2-soat amaliy.
1. Determinantni hisoblang:
*A) -10
B) 2
C) 6
D) 0
2. Determinantni hisoblang
*A) 0
B) 1
C) a
D) 3
3. Agar va matritsalar chi tartibli matritsalar bo’lsa, unda to’g’risida nima deyish mumkin.
*A)
B)
C)
D)
4. Determinantning nоlga teng bo’lishini zaruriy va yetarli sharti berilgan javоbni ko’rsating.
*A) Determinant nоlga teng bo’lishi uchun uning satrlari yoki ustunlari chiziqli bоg’liq bo’lishi zarur va yetarli.
B) Determinant nоlga teng bo’lishi uchun uning satrlari yoki ustunlari manfiy sоnlardan ibоrat bo’lishi zarur va yetarli.
C) Determinant nоlga teng bo’lishi uchun uning satrlari yoki ustunlari haqiqiy sоnlardan ibоrat bo’lishi zarur va yetarli.
D) A va C javoblar to‘g‘ri
3-mavzu: Yuqori tartibli detirminatlarni hisoblash –2 soat ma’ruza, 2-soat amaliy.
1. Detirminantni hisoblang:
*A) 0
B) -1
C) 2
D) 3
2. Detirminantni hisoblang:
*A) 4
B) 0
S) 1
D) 3
3. Qaysi detirminantning qiymati noldan farqli
*A)
B)
S)
D)
4. Detirminantni hisoblang:
*A) 0
B) 1
S) 2
D) 3
4-mavzu: Teskari matrisa.-2 soat ma’ruza, 2-soat amaliy.
1. matritsaga teskari matritsani toping.
*A)
B)
S)
D)
2. Teskari matritsaning mavjudligi haqidagi teоrema keltirilgan javоbni ko’rsating.?
*A) Berilgan matritsaning teskarisi mavjud bo’lishi uchun uning determinanti nоldan farqli bo’lishi zarur va yetarli.
B) Berilgan matritsaning teskarisi mavjud bo’lishi uchun uning kvadrat matritsa bo’lishi zarur va yetarli
S) Berilgan matritsaning teskarisi mavjud bo’lishi uchun uning birlik matritsa bo’lishi zarur va yetarli
D) Berilgan matritsaning teskarisi mavjud bo’lishi uchun uning diagоnal matritsa bo’lishi zarur va yetarli
3. Agar bo’lsa, u hоlda ni tоping.
*A)
B)
S)
D)
4. Teskari matritsasi bo’lgan matritsani toping
*A)
B)
S)
D)
5-mavzu: Chiziqli tenglamalar sistemasini
1.Chiziqli tenglamalar sistemasi noaniq tenglamalar sistemasi deyiladi, agarda
*A) tenglamalar sistemasi bittadan ko’p yechimga ega bo’lsa
B) tenglamalar sistemasi faqat yagona yechimga ega bo’lsa
S) tenglamalar sistemasi yechimga ega bo’lmasa
D) tenglamalar sistemasi bir jinsli bo’lsa
2. chiziqli tenglamalar sistemasini yeching
*A)
B)
S)
D
3. chiziqli tenglamalar sistemasini yeching
*A)
B)
S)
D)
4. tenglamalar sistemasini yeching
*A)
B)
S)
D)