Formulas Flashcards

1
Q

Work

A

W= ∫F(x) from a to b

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2
Q

Speed parametric

A

√[x’(t)² +y’(t)²]

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3
Q

Arc Length parametric

A

∫√[x’(t)² +y’(t)²] from a to b

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4
Q

Amplitude

A

2π/B

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5
Q

Area under a Curve of a Polar Equation

A

(1/2) ∫f(θ)² from a to b

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6
Q

Simpson’s Rule

A

(Δx/3)( f(x0)+ 4f(x1)+ 2f(x2) . . . . +2(f(x[n-2]))+ 4f(xn-1) + f(xn)

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7
Q

Lagrange Error

A
If P(x) is the nth degree Taylor polynomial of f(x) about c and  for all t between x and c, then f^(n+1) < M for all t  between x and c, then
|f(x)- Pn(x)|<  M/(n+1) |x-c|^(n+1)
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8
Q

e^x Maclaurin Series

A

1+ x + x²/2! +x^3/3! . .Σx^k/k!

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9
Q

sin(x) Maclaurin Series

A

x-x^3/3! + x^5/5! - x^7/7! . . . Σ(-1)^k (x^(2k+1)/(2k+1)!)

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10
Q

cos(x) Maclaurin Series

A

1- x²/2! + x^4/4!- x^6/6! . . . Σ(-1)^k (x^(2k)/(2k)!

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11
Q

ln(1+x) Maclaurin Series

A

x- x²/2 + x^3/3 - x^4/4. . . . Σ(-1)^k (x^(k+1)/(k+1))

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12
Q

Derivative of the Inverse of f(x)

A

1/ f’ (f(inverse of x))

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13
Q

Slope of the Polar Equation

A

[r’(θ)sin(θ) +r(θ)cos(θ)] / [r’(θ)cos(θ) - r(θ)sin (θ)]

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14
Q

Sum of a Geometric Series

A

cr^m/ (1-r)

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15
Q

Surface Area- Regular

A

2π ∫f(x)√ ̅(1+f’(x)²)

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16
Q

Surface Area Parametric

A

2π∫ y(t)√ ̅(y’(t)²+ x’(t)²)

17
Q

Arc Length- Polar

A

∫√ ̅(f(θ)²+f’(θ)²)

18
Q

Integral of the 1/x^p

A

If from 0 to a, and p1, a^(1-p)/(p-1)