derivatives and integrals Flashcards

1
Q

d/dx [cx]

A

cx’

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2
Q

d/dx [xy]

A

xy’ + yx’

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3
Q

d/dx [c]

A

0

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4
Q

d/dx [x]

A

1

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5
Q

d/dx [lnx]

A

1/x (x’)

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6
Q

d/dx [loga x]

A

1/ln(a) (1/x) (x’)

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7
Q

d/dx [sin x]

A

cos x (x’)

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8
Q

d/dx [tan x]

A

sec²x (x’)

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9
Q

d/dx [sec x]

A

secxtanx (x’)

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10
Q

d/dx [arcsinx]

A

x’/(√1-x²)

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11
Q

d/dx [arctanx]

A

x’/(1+x²)

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12
Q

d/dx [arcsec]

A

x’/(|x|√x²-1)

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13
Q

d/dx [x +/- y]

A

x’ +/- y’

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14
Q

d/dx [x/y]

A

(yx’ - xy’)/y²

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15
Q

d/dx [x^n]

A

nx^n-1x’

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16
Q

d/dx [|x|]

A

x/|x| (x’) ; x CANNOT = 0

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17
Q

d/dx [e^x]

A

e^x(x’)

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18
Q

d/dx [a^x]

A

(ln a)(a^x)(x’)

19
Q

d/dx [cosu]

A

-sinx (x’)

20
Q

d/dx [cotx]

A

-csc²x (x’)

21
Q

d/dx [cscx]

A

-cscxcotx (x’)

22
Q

d/dx [arccosx]

A

-x’/(√1-x²)

23
Q

d/dx [arccotx]

A

-x’/(1+x²)

24
Q

d/dx [arccscx]

A

-x’/(|x|√x²-1)

25
∫ k f(x) dx
k ∫ f(x) dx
26
∫ dx
x + C
27
∫ 1/x dx
ln |x| + C
28
∫ a^x dx
(1/lna) (a^x) + C
29
∫ cosx dx
sinx + C
30
∫ cotx dx
ln|sinx| + C
31
∫ cscx dx
-ln|cscx + cotx| + C
32
∫ csc²x dx
-cotx + C
33
∫ cscxcotx dx
-cscx + C
34
∫ 1/(a²+x²) dx
1/a arctan x/a + C
35
∫ [f(x) +/- g(x)] dx
∫ f(x) dx +/- ∫ g(x) dx
36
∫ x^n dx
(x^n+1)/(n+1)
37
∫ e^x dx
e^x + C
38
∫ sinx dx
-cosx + C
39
∫ tanx dx
-ln|cosx| +C
40
∫ secx dx
ln|secx + tanx| + C
41
∫ sec²x dx
tanx + C
42
∫ secxtanx dx
secx + C
43
∫ 1/(√a²-x²) dx
arcsin x/a + C
44
∫ 1/(x√x²-a²) dx
(1/a) arcsec|x|/a +C