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(-7)^{-2}

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

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範囲 30−x³

Solution

−∞ <f(x)<∞

Interval Notation

(−∞ , ∞ )

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2x⁵+x⁴−2x−1=0

因数 2x⁵+x⁴−2x−1: (2x+1)(x²+1)(x+1)(x−1)

(2x+1)(x²+1)(x+1)(x−1)=0

零因子の原則を使用: ab=0 ならば a=0 または b=0

2x+1=0 or x²+1=0 or x+1=0 or x−1=0

解く 2x+1=0: x=−12

解く x²+1=0: x=i, x=−i

解く x+1=0: x=−1

解く x−1=0: x=1

解答は

x=−12 , x=i, x=−i, x=−1, x=1

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領域 30−x³

逆 30−x³

切片 30−x³

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こんにちは, について質問する範囲 30−x³ または以下のオプションから選択してください

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

(-7)^{-2}

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