사다리꼴 integral from-1 to 2 of 6/(x^2+1), n=3

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

☐²

x^☐

√☐

^□√☐

□□

log_□

θ

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∫

ddx

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

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∫₋₁²6x²+1 dx, n=3

Solution

11.1

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Solve by:

Solve by trapezoidal rule

Solve by midpoint Riemann sum

Solve by left point Riemann sum

Solve by right point Riemann sum

Solve by Simpson's rule

One step at a time

Trapezoidal Rule (Approximation)

Average of Left and Right Endpoint approximations:
∫_a^bf(x)dx ≈ Δ x2 (f(x₀)+2f(x₁)+...+2f(x_n−1)+f(x_n))
where Δ x = b−an

Apply Trapezoidal Formula

=12 (f(x₀)+2f(x₁)+2f(x₂)+f(x₃))

Calculate Sub Intervals

=12 (3+12+6+65 )

=11.1

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Notebook

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

사다리꼴 integral from-1 to 2 of 6/(x^2+1), n=3

Solution

Solution steps

Number Line