next term a_{n+1}=-3a_{n},a

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

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ddx

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

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area y=x²−1, (0, 1)

Solution

Decimal

0.66666…

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تعريف المساحة تحت المنحنى

المعطاة بواسطة [a, b] وبين محور إكس في المقطع f(x) المساحة تحت المنحنى٬ هي المساحة بين المنحنى
A=∫_a^b|f(x)|dx

Apply the area formula: ∫₀¹|x²−1|dx

∫₀¹|x²−1|dx حلّ: 23

:المساحة هي

=23

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

next term a_{n+1}=-3a_{n},a_{1}=8

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