정점 25-x^2

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

☐²

x^☐

√☐

^□√☐

□□

log_□

θ

∞

∫

ddx

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

simplify solve for partial fractions long division line

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초점 y=3x²−x−2

Solution

(16 , −2)

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Solution steps

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파라볼라 포커스

포물선포물선의은 점까지의 거리(초점)가 직선까지의 거리(다이렉트릭스)와 같은 점의 궤적을 말한다.

포물선 표준 방정식

4p(y−k)=(x−h)² 는 다음과 같은 꼭짓점을 갖는 상향 포물선에 대한 표준 방정식이다 (h, k),
초점 거리 |p|

다시 쓰다 y=3x²−x−2 표준 형식으로

4· 112 (y−(−2512 ))=(x−16 )²

(h, k)=(16 , −2512 ), p=112

포물선은 Y축을 중심으로 대칭이므로 초점은 중심으로부터 p 거리에 있다 (16 , −2512 ) Y축을 따라

(16 , −2512 +p)

=(16 , −2512 +112 )

다듬다

(16 , −2)

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

정점 25-x^2

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