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3x<= 11-8x^2

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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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Solve by: midpoint Riemann sum

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Solve by: Simpson's rule

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

3x<= 11-8x^2

Solution

Solution steps

Number Line