geometrik prog

geometrik prog

Assessment

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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