first term a_{n}=4(-2)^{n-1}

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

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simplify solve for inverse tangent line

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first term a_n=4(−2)ⁿ⁻¹

Solution

a₁=4

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Solution steps

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a_n=4(−2)ⁿ⁻¹

Let n=1

a₁=4(−2)¹⁻¹

4(−2)¹⁻¹=4

a₁=4

Solve instead

sequence type a_n=4(−2)ⁿ⁻¹

nth term a_n=4(−2)ⁿ⁻¹

next term a_n=4(−2)ⁿ⁻¹

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

first term a_{n}=4(-2)^{n-1}

Solution

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