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

Solutions > Sequences First Term Calculator >

domain of (x^2)/(x^2+1)

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

☐²

x^☐

√☐

^□√☐

□□

log_□

π

θ

∞

∫

ddx

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

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inverse 2cos²(x)

Solution

arccos(√x2 ), arccos(−√x2 )

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Solution steps

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x+1x−2 ≥ x+2x+3

שכתב בצורה סטנדרטית

4x+7(x−2)(x+3) ≥ 0

זהה את הטווחים השונים

−3<x≤ −74 or x>2

ציר המספרים

−3<x≤ −74 or x>2

Solve instead

domain 2cos²(x)

range 2cos²(x)

periodicity 2cos²(x)

Sequences First Term Examples

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