Matritsalar va ular ustida amallar. Matritsalar va ularning turlari


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Matritsalar va ular ustida amallar1

Testlardan namunalar



  1. Quyidagi |A| determinantning a12 va a32 elementlari yig‘indisini toping:

.
A) 5; B) 2; C) 7; D) – 6; E) 6.



  1. Quyidagi |A| determinantning diagonal elementlari yig‘indisini toping:

.
A) 14; B) 0; C) 20; D) –6; E) 4.



  1. Quyidagi determinantni hisoblang:


A) 14; B) –26; C) 26; D) –14; E) 0.



  1. Ushbu determinantni hisoblang:


A) 0; B) –12; C) 12; D) 2; E) 3.



  1. Quyidagi tenglamani yeching:


A) x=7; B) x= -1; C) x=2; D) x=4; E) x=8 .



  1. Tenglamani yeching:

A) x1=4; x2=1 ; B) x1=-2; x2=3 ; C) x1=1; x2=-1 ;
D) tenglama yechimga ega emas; E) tenglama cheksiz ko‘p yechimga ega.



  1. Ushbu determinantni hisoblang:


A) 1; B) 0; C) –2; D) 4; E) 12.



  1. Ushbu determinantni hisoblang:


A) 0; B) 12; C) 10; D) –10; E) –12.


Mustaqil ish topshiriqlari



  1. II tartibli determinantni hisoblang:

.



  1. III tartibli determinant qiymatini toping:

.



  1. Laplas teoremasi yordamida IV tartibli determinantni hisoblang:

.
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