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IntegrationQuestion and Answers: Page 103

Question Number 130306    Answers: 2   Comments: 0

∫_0 ^( ∞) x cos (x) ln (x)e^(−x) dx ?

0xcos(x)ln(x)exdx?

Question Number 130296    Answers: 1   Comments: 1

∫(x^2 /2+x)dx

(x2/2+x)dx

Question Number 130285    Answers: 1   Comments: 0

Question Number 130254    Answers: 1   Comments: 0

prove ∫_0 ^∞ ((ln^2 (x)ln(1+x^2 ))/(1+x^2 ))dx=((7π)/4)ζ(3)+((π^3 ln(2))/4) where ζ(3) is a pery^( ,) s constant

prove0ln2(x)ln(1+x2)1+x2dx=7π4ζ(3)+π3ln(2)4whereζ(3)isapery,sconstant

Question Number 130214    Answers: 1   Comments: 0

∫(u^2 /((1+u^2 )^2 ))du

u2(1+u2)2du

Question Number 130208    Answers: 1   Comments: 0

The loop of curve 2ay^2 =x(x−a)^2 revolves about straight line y=a. Find the volume of the solid generated.

Theloopofcurve2ay2=x(xa)2revolvesaboutstraightliney=a.Findthevolumeofthesolidgenerated.

Question Number 130203    Answers: 2   Comments: 0

Question Number 130167    Answers: 1   Comments: 0

∫_0 ^( ∞) ((ln(u)e^(−u) )/((1+e^(−u) )^2 ))du

0ln(u)eu(1+eu)2du

Question Number 130158    Answers: 1   Comments: 0

Find the area of the segment of the curve y^2 = x^3 −x^2 if the line x= 2 is the chord determining the segment

Findtheareaofthesegmentofthecurvey2=x3x2ifthelinex=2isthechorddeterminingthesegment

Question Number 130149    Answers: 3   Comments: 0

ℜ = ∫ (√(x+(√(x+(√(x+(√(x+...)))))))) dx ℑ = ∫_0 ^( 1) ((ℓn x)/(x+1)) dx

=x+x+x+x+...dx=01nxx+1dx

Question Number 130137    Answers: 2   Comments: 0

calculate for n integr natural A_n =∫_0 ^∞ ((lnx)/(1+x^n ))dx (n≥2)

calculatefornintegrnaturalAn=0lnx1+xndx(n2)

Question Number 130135    Answers: 1   Comments: 0

calculate ∫_0 ^∞ ((lnx)/((x+1)^6 ))dx

calculate0lnx(x+1)6dx

Question Number 130133    Answers: 0   Comments: 0

solve for x ∫_0 ^( x) Σ_(m=0) ^(⌈x⌉) x^(ln m+1) dx = x^2 , where ⌈x⌉ is the smallest integer greater than x

solveforx0xxm=0xlnm+1dx=x2,wherexisthesmallestintegergreaterthanx

Question Number 130132    Answers: 1   Comments: 0

solve ∫∫_G (7x−y)dxdy, where G is given by y=0 x+2y=3, x=y^2 i want to know if the integral below is a correct representation of the integral above. (∫_0 ^(3/2) ∫_0 ^(9/4) (7x−y)dxdy).

solveG(7xy)dxdy,whereGisgivenbyy=0x+2y=3,x=y2iwanttoknowiftheintegralbelowisacorrectrepresentationoftheintegralabove.(320940(7xy)dxdy).

Question Number 130053    Answers: 4   Comments: 0

Show that ∫_0 ^( ∞) ((x^2 ln(x))/(x^4 +x^2 +1))dx = (π^2 /(12))

Showthat0x2ln(x)x4+x2+1dx=π212

Question Number 130029    Answers: 1   Comments: 2

1) decompose F(x)=(1/((x^2 −4)^3 (x^2 +1)^2 )) 2) find ∫_3 ^∞ (dx/((x^2 −4)^3 (x^2 +1)^2 ))

1)decomposeF(x)=1(x24)3(x2+1)22)find3dx(x24)3(x2+1)2

Question Number 130011    Answers: 2   Comments: 0

... advanced calculus... prove that:: Φ=∫_( R) e^((−e^x +2x)) x^2 dx=(1−γ)^2 +((π^2 −6)/6)

...advancedcalculus...provethat::Φ=Re(ex+2x)x2dx=(1γ)2+π266

Question Number 129996    Answers: 0   Comments: 0

∫((x^2 )^(1/5) /( ((1+(√x^5 )))^(1/3) ))dx

x251+x53dx

Question Number 129991    Answers: 0   Comments: 0

∫ (e^x )(((x^6 +x^5 +5x^4 )/((1+x)^6 )))dx = ...

(ex)(x6+x5+5x4(1+x)6)dx=...

Question Number 129989    Answers: 1   Comments: 0

Find the area bounded xy^2 = 4a^2 (2a−x) and its asymptotes.

Findtheareaboundedxy2=4a2(2ax)anditsasymptotes.

Question Number 129978    Answers: 1   Comments: 0

is this true for n∈N^★ ? someone please prove or falsify! ∫_0 ^∞ e^(−x^(2n) ) dx=Γ ((2n+1)/(2n))

isthistruefornN?someonepleaseproveorfalsify!0ex2ndx=Γ2n+12n

Question Number 129975    Answers: 2   Comments: 0

Question Number 129972    Answers: 1   Comments: 0

....nice calculus... evaluation: Ω=∫_0 ^( ∞) t^2 e^(−t) ln(t)dt=?? solution: f(s)=∫_0 ^( ∞) t^(2+s) e^(−t) dt Ω=f ′(0)=... f(s)=Γ(3+s) f ′(s)=Γ′(3+s)=ψ(3+s)Γ(3+s) f ′(0)=ψ(3)Γ(3)=2((3/2) −γ) =3−2γ ∴ Ω=∫_0 ^( ∞) t^2 e^(−t) ln(t)=3−2γ ...

....nicecalculus...evaluation:Ω=0t2etln(t)dt=??solution:f(s)=0t2+setdtΩ=f(0)=...f(s)=Γ(3+s)f(s)=Γ(3+s)=ψ(3+s)Γ(3+s)f(0)=ψ(3)Γ(3)=2(32γ)=32γΩ=0t2etln(t)=32γ...

Question Number 129946    Answers: 1   Comments: 0

∫ ((tan ϕ+3)/(sin ϕ)) dϕ ?

tanφ+3sinφdφ?

Question Number 129926    Answers: 1   Comments: 0

...nice calculus... evaluate: Σ_(k=0) ^∞ Σ_(m=0) ^∞ Σ_(n=0) ^∞ ((1/((k+m+n)!)))=?

...nicecalculus...evaluate:k=0m=0n=0(1(k+m+n)!)=?

Question Number 129921    Answers: 3   Comments: 0

∫(1/((1−u^2 )^2 u^5 ))du=?? please...

1(1u2)2u5du=??please...

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