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領域 6a^2+5a+10-(4a^2+6a+12)

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`x`²	`x`^□	log_□	√☐	^□√☐	≤	≥	□□	·	÷	`x`^◦	π
(☐)^′	`ddx`	∂∂`x`	∫	∫_□^□	lim	∑	∞	`θ`	(`f` ◦ `g`)	`f`(`x`)

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数列の種類 a_n=4(−2)ⁿ⁻¹

Solution

等比数列: r=−2, a_n=4(−2)ⁿ⁻¹

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a_n=4(−2)ⁿ⁻¹

等比数列

等比数列には,定率 r が含まれており,a_n=a₁·r^\:によって定義されるn−1

公比を求める: r=−2

等比数列

r=−2

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初項 a_n=4(−2)ⁿ⁻¹

n項 a_n=4(−2)ⁿ⁻¹

next term a_n=4(−2)ⁿ⁻¹

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こんにちは, について質問する数列の種類 a_n=4(−2)ⁿ⁻¹

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−▭▭	<	7	8	9	÷	`AC`
+▭▭	>	4	5	6	×	☐☐☐
×▭▭	(	1	2	3	−	`x`
▭ \|▭	)	.	0	=	+	`y`

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領域 6a^2+5a+10-(4a^2+6a+12)

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