
Основы Прогрессий
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Камшат Серик
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24 questions
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1.
FLASHCARD QUESTION
Front
Арифметическая прогрессия
Back
Последовательность с постоянной разностью
2.
FLASHCARD QUESTION
Front
Геометрическая прогрессия
Back
Последовательность с постоянным отношением
3.
FLASHCARD QUESTION
Front
Формула n-го члена (арифметическая)
Back
a_n = a_1 + (n-1)d
4.
FLASHCARD QUESTION
Front
Формула n-го члена (геометрическая)
Back
b_n = b_1 * q^(n-1)
5.
FLASHCARD QUESTION
Front
Сумма первых n членов (арифметическая)
Back
S_n = n/2 * (a_1 + a_n)
6.
FLASHCARD QUESTION
Front
Сумма первых n членов (геометрическая)
Back
S_n = b_1 * (q^n - 1) / (q - 1)
7.
FLASHCARD QUESTION
Front
Разность (d)
Back
Разность между соседними членами
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