inverse of 4

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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

simplify solve for expand factor rationalize

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radius x²−6x+8y+y²=0

Solution

r=5

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x²−6x+8y+y²=0

Circle Equation

(x−a)²+(y−b)²=r² is the circle equation with a radius r, centered at (a, b)

Rewrite x²−6x+8y+y²=0 in the form of the standard circle equation

(x−3)²+(y−(−4))²=5²

Therefore the circle properties are:

(a, b)=(3, −4), r=5

And the radius is:

r=5

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

inverse of 4

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