Chiziqli algebra fanidan 2019/2020 o’quv yili 2-yarim yillik uchun on topshiriqlari

А)* 4, B) 5, C) 2, D) 0
69. Agar _ bo‘lsa, _ matritsani toping.

А)* _; B) _; C) _; D) _.
70. matritsaning _ teskari matritsani toping.

А)* _; B) _; C) _; D) _.

71.  matritsaning rangini toping.