geometrik prog

Flashcard
•
Mathematics
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Geometrik progressiya nima?
Back
Geometrik progressiya - bu har bir a'zosi oldingi a'zoni bir xil koeffitsiyentga ko'paytirish orqali hosil bo'lgan sonlar qatoridir.
2.
FLASHCARD QUESTION
Front
Geometrik progressiyaning umumiy formulasi qanday?
Back
Geometrik progressiyaning n-chi a'zosi: a_n = a_1 * r^(n-1), bu yerda a_1 - birinchi a'zo, r - koeffitsiyent.
3.
FLASHCARD QUESTION
Front
Geometrik progressiyaning koeffitsiyenti nima?
Back
Koeffitsiyent (r) - bu har bir a'zoni oldingi a'zoga bo'lish orqali topiladigan son.
4.
FLASHCARD QUESTION
Front
Geometrik progressiyaning birinchi uchta a'zosi qanday topiladi?
Back
Birinchi a'zo (a_1) va koeffitsiyent (r) berilgan bo'lsa, a_2 = a_1 * r va a_3 = a_2 * r.
5.
FLASHCARD QUESTION
Front
Geometrik progressiyaning yig'indisi qanday hisoblanadi?
Back
Geometrik progressiyaning n ta a'zosining yig'indisi: S_n = a_1 * (1 - r^n) / (1 - r), agar r ≠ 1.
6.
FLASHCARD QUESTION
Front
Geometrik progressiyaning cheksiz yig'indisi qanday hisoblanadi?
Back
Agar |r| < 1 bo'lsa, cheksiz yig'indi: S = a_1 / (1 - r).
7.
FLASHCARD QUESTION
Front
Geometrik progressiya qatorining birinchi uchta hadi: 4, -12, 36. Bu qatorni tasdiqlang.
Back
Bu qator geometrik progressiyaga kiradi, chunki -12 / 4 = -3 va 36 / -12 = -3.
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