ruffini method (7x^3+4x+8)/(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 expand factor rationalize

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tính chẵn lẻ (x+1)(x²−2x+4)

Solution

Không chẵn cũng không lẻ

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Solution steps

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Định nghĩa chẵn lẻ

Hàm số chẵn: Một hàm chẵn nếu f(−x)=f(x) cho mọi x∈ℝ
Hàm lẻ: Một hàm lẻ nếu f(−x)=−f(x) cho mọi x∈ℝ

f(x): x³−x²+2x+4

f(−x): −x³−x²−2x+4

−f(x): −x³+x²−2x−4

Kiểm tra tính chẵn lẻ của x³−x²+2x+4

Kiểm tra xem có chẵn không: Sai

Kiểm tra xem có lẻ không: Sai

Không chẵn cũng không lẻ

Solve instead

miền (x+1)(x²−2x+4)

phạm vi (x+1)(x²−2x+4)

các hệ số chặn (x+1)(x²−2x+4)

Ruffini Method Examples

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

ruffini method (7x^3+4x+8)/(x+2)

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