2–bob. Butun va ratsional sonlar butun sonlar ustida amallar

4. Agar va bo’lsa, ko’phadni toping.

A) B) C) D)

5. ko’phadning ozod hadini toping.

A) 1 B) 2 C) 1 D) 0

6. ko’paytma koeffitsiyentlari yig’indisini toping.

A) 4 B) 4 C) 0 D) 1

7. ko’phadning koeffitsiyentlari yig’indisini toping.

A) B) 16 C) 9 D)

8. bo’lsa, A+B+C ni toping.

A) 2 B) 3 C) 4 D) 3

9. f(x,y) ko’phad (yoki birhad) bo’lib, ixtiyoriy x, y uchun f(x,y)=f(y,x) shart bajarilsa, f(x,y) quyidagilardan qaysi biriga teng bo’lishi mumkin?

A) B) C) D)