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AllQuestion and Answers: Page 1661

Question Number 35726    Answers: 1   Comments: 1

find lim_(x→0) ((1−cos(sinx))/x^2 )

findlimx01cos(sinx)x2

Question Number 35723    Answers: 1   Comments: 0

Find the largest prime factor of the following: (1×2×3)+(2×3×4)+...+(2014×2015×2016)

Findthelargestprimefactorofthefollowing:(1×2×3)+(2×3×4)+...+(2014×2015×2016)

Question Number 35715    Answers: 1   Comments: 1

Find lim_(n→∞) ((3^(n+1) +2^(n+1) )/(3^n +2^n ))

Findlimn3n+1+2n+13n+2n

Question Number 35750    Answers: 0   Comments: 4

Question Number 35736    Answers: 1   Comments: 0

lim_(x→0) ((ln (sec (ex)sec (e^2 x)......sec (e^(50) x)))/(e^2 −e^(2cos x) )) = ?

limx0ln(sec(ex)sec(e2x)......sec(e50x))e2e2cosx=?

Question Number 35703    Answers: 1   Comments: 0

Question Number 35696    Answers: 0   Comments: 7

Question Number 35851    Answers: 1   Comments: 1

Question Number 35691    Answers: 0   Comments: 0

calculate lim_(a→0^+ ) ∫_(−a) ^a (√((1+x^2 )/(a^2 −x^2 ))) dx .

calculatelima0+aa1+x2a2x2dx.

Question Number 35690    Answers: 0   Comments: 0

let B_n =Σ_(k=1) ^n sin(((kπ)/n)) sin((k/n^2 )) find lim_(n→+∞) B_n

letBn=k=1nsin(kπn)sin(kn2)findlimn+Bn

Question Number 35689    Answers: 1   Comments: 2

let S_n = Σ_(k=1) ^n (k^2 /(n^2 (√(n^2 +k^2 )))) find lim_(n→+∞) S_n

letSn=k=1nk2n2n2+k2findlimn+Sn

Question Number 35688    Answers: 1   Comments: 1

let A_n =Σ_(k=1) ^n (1/(k+n))ln(1+(k/n)) calculate lim_(n→+∞) A_n

letAn=k=1n1k+nln(1+kn)calculatelimn+An

Question Number 35687    Answers: 1   Comments: 2

calculate f(a)=∫_0 ^π (dx/(1−a cosx)) a from R . 2) application calculate ∫_0 ^π (dx/(1−2cosx))

calculatef(a)=0πdx1acosxafromR.2)applicationcalculate0πdx12cosx

Question Number 35686    Answers: 1   Comments: 1

calculate ∫_(√3) ^(+∞) (dx/(x(√( 2+x^2 )))) .

calculate3+dxx2+x2.

Question Number 35685    Answers: 1   Comments: 1

calculate ∫_0 ^(π/4) x artan(2x+1)dx

calculate0π4xartan(2x+1)dx

Question Number 35684    Answers: 1   Comments: 1

calculate I = ∫_0 ^1 e^(2t) ln(1+e^t )dt

calculateI=01e2tln(1+et)dt

Question Number 35683    Answers: 1   Comments: 1

find ∫ x^2 ln(x^6 −1)dx

findx2ln(x61)dx

Question Number 35682    Answers: 1   Comments: 2

let F(x) = ∫_(x +1) ^(x^2 +1) arctan(1+t)dt 1) calculate (∂F/∂x)(x) 2) find lim_(x→0) F(x) .

letF(x)=x+1x2+1arctan(1+t)dt1)calculateFx(x)2)findlimx0F(x).

Question Number 35681    Answers: 1   Comments: 1

find ∫ arctan(x)dx

findarctan(x)dx

Question Number 35680    Answers: 0   Comments: 0

by using residus theorem calculate W_n =∫_0 ^(π/2) cos^(2n) t dt ( wallis integal) n integr natural .

byusingresidustheoremcalculateWn=0π2cos2ntdt(wallisintegal)nintegrnatural.

Question Number 35678    Answers: 0   Comments: 1

let f(t) =∫_0 ^∞ ((e^(−tx^2 ) arctan(x^2 ))/x^2 )dx with t>0 1) study the existencte of f(t) 2)calculate f^′ (t) 3)find a simple form of f(t).

letf(t)=0etx2arctan(x2)x2dxwitht>01)studytheexistencteoff(t)2)calculatef(t)3)findasimpleformoff(t).

Question Number 35677    Answers: 0   Comments: 2

find F(x)=∫_0 ^x e^(−2t) cos(t+(π/4))dx.

findF(x)=0xe2tcos(t+π4)dx.

Question Number 35676    Answers: 0   Comments: 1

find f(x)=∫_0 ^x ch^4 t dt

findf(x)=0xch4tdt

Question Number 35675    Answers: 0   Comments: 1

calculate ∫_1 ^3 (x/(e^x −1))dx ..

calculate13xex1dx..

Question Number 35656    Answers: 0   Comments: 5

Following alphabet lacks one letter. abcdefghijklmnopqrstuvxyz I request that letter, please come and make the alphabet complete.

Followingalphabetlacksoneletter.abcdefghijklmnopqrstuvxyzIrequestthatletter,pleasecomeandmakethealphabetcomplete.

Question Number 35654    Answers: 1   Comments: 0

if cos^2 θ−sin^2 θ=tan^2 ∅ Then proof that 2cos^2 ∅−1=cos^2 ∅−sin^2 ∅=2tan^2 θ

ifcos2θsin2θ=tan2Thenproofthat2cos21=cos2sin2=2tan2θ

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