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IntegrationQuestion and Answers: Page 192

Question Number 86407 Answers: 1 Comments: 1

Question Number 86405 Answers: 1 Comments: 2

Question Number 86399 Answers: 2 Comments: 3

Question Number 86397 Answers: 2 Comments: 2

∫(dx/(sin^2 (x)+tan^2 (x))) dx

$$\int\frac{{dx}}{{sin}^{\mathrm{2}} \left({x}\right)+{tan}^{\mathrm{2}} \left({x}\right)}\:{dx} \\ $$

Question Number 86375 Answers: 1 Comments: 2

calculate by complex method ∫_0 ^∞ (dx/(x^2 −x+1))

$${calculate}\:{by}\:{complex}\:{method}\:\:\int_{\mathrm{0}} ^{\infty} \:\:\:\:\frac{{dx}}{{x}^{\mathrm{2}} −{x}+\mathrm{1}} \\ $$

Question Number 86341 Answers: 0 Comments: 0

Can anyone pls check question no. 76808

$${Can}\:{anyone}\:{pls}\:{check}\: \\ $$$${question}\:{no}.\:\mathrm{76808} \\ $$

Question Number 86328 Answers: 1 Comments: 0

∫((x^2 −1)/((x^2 +1)(√(1+x^4 )))) dx

$$\int\frac{{x}^{\mathrm{2}} −\mathrm{1}}{\left({x}^{\mathrm{2}} +\mathrm{1}\right)\sqrt{\mathrm{1}+{x}^{\mathrm{4}} }}\:{dx} \\ $$

Question Number 86326 Answers: 0 Comments: 0

Let f a continue function acknowleding α as a fix point on [0,1].F a function such as (dF/dx)=f(x) ∀ n , u_(n+1) =((F(u_n )−F(α))/(u_n −α)) Prove that lim_(n→∞) u_n =α

$${Let}\:{f}\:{a}\:{continue}\:{function}\:{acknowleding} \\ $$$$\alpha\:{as}\:{a}\:{fix}\:{point}\:{on}\:\left[\mathrm{0},\mathrm{1}\right].{F}\:\:{a}\:{function}\:{such}\:{as}\:\frac{{dF}}{{dx}}={f}\left({x}\right) \\ $$$$\forall\:{n}\:,\:\:{u}_{{n}+\mathrm{1}} =\frac{{F}\left({u}_{{n}} \right)−{F}\left(\alpha\right)}{{u}_{{n}} −\alpha}\: \\ $$$${Prove}\:{that}\:\underset{{n}\rightarrow\infty} {\mathrm{lim}}\:{u}_{{n}} \:=\alpha \\ $$

Question Number 86324 Answers: 0 Comments: 2

∫_( 0) ^( (π/4)) ((1 )/((√(sin x)) + (√(cos x)))) dx

$$\int_{\:\mathrm{0}} ^{\:\frac{\pi}{\mathrm{4}}} \:\frac{\mathrm{1}\:}{\sqrt{\boldsymbol{\mathrm{sin}}\:\boldsymbol{\mathrm{x}}}\:\:\:+\:\:\sqrt{\boldsymbol{\mathrm{cos}}\:\boldsymbol{\mathrm{x}}}}\:\boldsymbol{\mathrm{dx}} \\ $$

Question Number 86313 Answers: 2 Comments: 2

∫_0 ^(π/2) (dx/(√(1+tan x)))

$$\underset{\mathrm{0}} {\overset{\frac{\pi}{\mathrm{2}}} {\int}}\:\frac{{dx}}{\sqrt{\mathrm{1}+\mathrm{tan}\:{x}}} \\ $$

Question Number 86302 Answers: 1 Comments: 1

∫ (dx/((x^2 +1)(√(x^2 +4)))) =?

$$\int\:\frac{{dx}}{\left({x}^{\mathrm{2}} +\mathrm{1}\right)\sqrt{{x}^{\mathrm{2}} +\mathrm{4}}}\:=? \\ $$

Question Number 86374 Answers: 0 Comments: 1

calculate bycomplex method ∫_1 ^(+∞) (dx/(1+x^2 ))

$${calculate}\:{bycomplex}\:{method}\:\:\int_{\mathrm{1}} ^{+\infty} \:\frac{{dx}}{\mathrm{1}+{x}^{\mathrm{2}} } \\ $$

Question Number 86269 Answers: 0 Comments: 1

∫((sec^2 (x))/((tan(x)−1)^4 (tan(x)−2))) dx

$$\int\frac{{sec}^{\mathrm{2}} \left({x}\right)}{\left({tan}\left({x}\right)−\mathrm{1}\right)^{\mathrm{4}} \left({tan}\left({x}\right)−\mathrm{2}\right)}\:{dx} \\ $$

Question Number 86254 Answers: 1 Comments: 0

∫ (√(x(√(x(√(x(√(x.......)))))))) dx

$$\int\:\sqrt{\mathrm{x}\sqrt{\mathrm{x}\sqrt{\mathrm{x}\sqrt{\mathrm{x}.......}}}}\:\:\:\mathrm{dx} \\ $$

Question Number 86247 Answers: 0 Comments: 3

∫_0 ^8 ∫_0 ^x^(2/3) (√(x^2 +y^2 +1)) dy dx

$$\int_{\mathrm{0}} ^{\mathrm{8}} \int_{\mathrm{0}} ^{{x}^{\frac{\mathrm{2}}{\mathrm{3}}} } \:\sqrt{{x}^{\mathrm{2}} +{y}^{\mathrm{2}} +\mathrm{1}}\:{dy}\:{dx} \\ $$

Question Number 86246 Answers: 1 Comments: 0

∫((x^2 −1)/(x^2 +1)) (1/(√(1 + x^4 ))) dx = ?

$$\int\frac{{x}^{\mathrm{2}} −\mathrm{1}}{{x}^{\mathrm{2}} +\mathrm{1}}\:\frac{\mathrm{1}}{\sqrt{\mathrm{1}\:+\:{x}^{\mathrm{4}} }}\:{dx}\:=\:? \\ $$

Question Number 86258 Answers: 1 Comments: 3

calculate I=∫_1 ^(+∞) ((x^2 −1)/(x^4 −x^2 +1))dx

$${calculate}\:{I}=\int_{\mathrm{1}} ^{+\infty} \frac{{x}^{\mathrm{2}} −\mathrm{1}}{{x}^{\mathrm{4}} −{x}^{\mathrm{2}} +\mathrm{1}}{dx} \\ $$

Question Number 86214 Answers: 0 Comments: 8

Question Number 86167 Answers: 1 Comments: 3

∫_0 ^(π/2) ((arc tan ((√(tan x))))/(tan x)) dx

$$\underset{\mathrm{0}} {\overset{\frac{\pi}{\mathrm{2}}} {\int}}\:\frac{\mathrm{arc}\:\mathrm{tan}\:\left(\sqrt{\mathrm{tan}\:\mathrm{x}}\right)}{\mathrm{tan}\:\mathrm{x}}\:\mathrm{dx}\: \\ $$

Question Number 86138 Answers: 1 Comments: 1

∫ _(−4) ^8 ((∣x∣)/x) dx = ?

$$\int\underset{−\mathrm{4}} {\overset{\mathrm{8}} {\:}}\:\frac{\mid\mathrm{x}\mid}{\mathrm{x}}\:\mathrm{dx}\:=\:? \\ $$

Question Number 86094 Answers: 1 Comments: 1

2∫(√(x^3 +4)) dx

$$\mathrm{2}\int\sqrt{{x}^{\mathrm{3}} +\mathrm{4}}\:{dx} \\ $$

Question Number 86091 Answers: 1 Comments: 1

∫ ((sin x−cos x)/(√(sin 2x))) dx

$$\int\:\frac{\mathrm{sin}\:\mathrm{x}−\mathrm{cos}\:\mathrm{x}}{\sqrt{\mathrm{sin}\:\mathrm{2x}}}\:\mathrm{dx} \\ $$

Question Number 86080 Answers: 1 Comments: 1

∫(dx/(√(5−4x−2x^2 )))

$$\int\frac{{dx}}{\sqrt{\mathrm{5}−\mathrm{4}{x}−\mathrm{2}{x}^{\mathrm{2}} }} \\ $$

Question Number 86039 Answers: 0 Comments: 1

∫((2x^5 −x^3 −1)/(x^3 −4x))dx

$$\int\frac{\mathrm{2}{x}^{\mathrm{5}} −{x}^{\mathrm{3}} −\mathrm{1}}{{x}^{\mathrm{3}} −\mathrm{4}{x}}{dx} \\ $$

Question Number 86034 Answers: 2 Comments: 0

∫(dx/(√(×^2 +4)))

$$\int\frac{{dx}}{\sqrt{×^{\mathrm{2}} +\mathrm{4}}} \\ $$

Question Number 86016 Answers: 0 Comments: 0

calculate ∫_0 ^∞ ((x^2 −3)/((x^2 +1)^7 ))dx

$${calculate}\:\int_{\mathrm{0}} ^{\infty} \:\:\:\frac{{x}^{\mathrm{2}} −\mathrm{3}}{\left({x}^{\mathrm{2}} +\mathrm{1}\right)^{\mathrm{7}} }{dx} \\ $$

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