first term a_{n}=(3^{n+2})/(5^n)

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

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simplify 130· 45

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104

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a₁=3, a₂=2, a_n=−a_n−1

Find the sequence type for a₁=3, a₂=2, a_n=−a_n−1: geometric sequence: r=−1

The n-th term of a geometric sequence is of the form a_n=a₁·rⁿ⁻¹

a₁=3, r=−1

a_n=3(−1)ⁿ⁻¹

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

first term a_{n}=(3^{n+2})/(5^n)

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