10-sinf Matematika 4-chorak

Ko`paytmani toping.

(6-3i)(1+4i)

Irratsional tenglamani yeching.

Tenglamani yeching:   

Sonlarni taqqoslang:

b) 2

Tengsizlikni yeching:

lg(1-3x)>1

Grafigikka qarab finksiyani toping.

Hisoblang: arctg

Hisoblang: arcsin √3/2

Tengsizlikni yeching: sin≥ 2

Grafigikka qarab finksiyani toping.

Hisoblang:

Funksiyaning davrini aniqlang:
y=cos3x (gradusda)

Hisoblang:
arcsin 0

Hisoblang: arctg

Hisoblang:

Grafigikka qarab finksiyani toping.

Tenglamalar sistemasining nechta yechimi bor?

8∙(1,3x+0,25)-6,6x=3,8x+2 tenglamani yeching.

Quyidagi mulohazaning rostlik jadvalida nechta rost qatnashadi ? ¬p∧q

Ushbu ifoda qanday o’qiladi?

To‘plamni tashkil etgan obyektlar uning ………..deyiladi.

Ikki mulohaza "agar ... bo‘lsa, u holda ..." ibora bilan boglansa, u holda mulohazalar .......ega bo‘lamiz.

A={2,5,6,8,9,12},
B={3,6,9,12,15} to’plamlar uchun B∪A ni toping.

U=N, P={8 dan katta butun sonlar} bo’lsa n(P) ni toping.

x∈A kabi yozuvni o’qilishi to’g’ri ko’rsatilgan qatorni toping.