miền |3-(3x^2)/(49)|

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

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≥	≤	·	÷	`x`^◦	(☐)	\|☐\|	(`f` ◦ `g`)	`f`(`x`)	ln	`e`^☐
(☐)^′	∂∂`x`	∫_□^□	lim	∑	sin	cos	tan	cot	csc	sec

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lim_{x→ ∞}(x−2x−3 )

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lim_{x→ ∞}(x−2x−3 )

Chia cho lũy thừa của mẫu số cao nhất:1−2x 1−3x

=lim_{x→ ∞}(1−2x 1−3x )

lim_x→a[f(x)g(x) ]=lim_x→af(x)lim_x→ag(x) , lim_x→ag(x)≠0
Ngoại trừ dạng không xác định

=lim_{x→ ∞}(1−2x )lim_{x→ ∞}(1−3x )

lim_{x→ ∞}(1−2x )=1

lim_{x→ ∞}(1−3x )=1

=11

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

miền |3-(3x^2)/(49)|

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