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15
Math.TechQA.Club
2026-03-30 01:12:30
193
Views
Why is $\int_{0}^{\infty} e^{-x}x^kdx = k!$?
Published on
30 Mar 2026 - 1:12
#calculus
#integration
#algebra-precalculus
#indefinite-integrals
#factorial
69
Views
Where am I going wrong with the integral $\int\frac{1}{\sqrt{1-x^2}}dx$?
Published on
16 Mar 2020 - 13:02
#integration
#indefinite-integrals
#trigonometric-integrals
140
Views
Integral of $\int \sin^2x\cos^4xdx$
Published on
17 Mar 2020 - 5:35
#integration
#indefinite-integrals
73
Views
How to approach $\int \frac{dx}{\sqrt{x^2+4x+13}}$
Published on
21 Mar 2020 - 12:04
#integration
#indefinite-integrals
112
Views
Cauchy-Type integral
Published on
29 Mar 2026 - 22:36
#integration
#indefinite-integrals
#cauchy-integral-formula
#cauchy-principal-value
37
Views
Why does this expectation equality hold?
Published on
21 Mar 2020 - 14:49
#integration
#indefinite-integrals
#expected-value
109
Views
Why doesn't substitution using $2\sin^2x$ work?
Published on
23 Mar 2020 - 15:30
#calculus
#integration
#indefinite-integrals
#trigonometric-integrals
164
Views
Is $\int \exp(x \exp(x)) dx$ a well-known integral?
Published on
31 Mar 2026 - 5:05
#calculus
#integration
#exponential-function
#indefinite-integrals
#closed-form
113
Views
proving an integral-defined function is differentiable?
Published on
30 Mar 2026 - 1:15
#real-analysis
#improper-integrals
#indefinite-integrals
#riemann-integration
79
Views
Easy partial fraction decomposition
Published on
26 Mar 2020 - 13:32
#real-analysis
#calculus
#integration
#indefinite-integrals
57
Views
Evaluate $\int\sqrt{4x^2+8x}dx$ using $\int\sqrt{u^2-a^2}dx=\frac u2\sqrt{u^2-a^2}-\frac{a^2}{2}\ln|u+\sqrt{u^2-a^2}|+C.$
Published on
26 Mar 2020 - 20:29
#calculus
#integration
#indefinite-integrals
54
Views
Indefinite Integral involving infinite series
Published on
27 Mar 2020 - 12:32
#sequences-and-series
#exponential-function
#indefinite-integrals
135
Views
Evaluate $\displaystyle \int\dfrac{dx}{\sqrt[3]{(x+1)^2(x-1)^4}}$
Published on
27 Mar 2020 - 13:30
#real-analysis
#calculus
#integration
#indefinite-integrals
244
Views
Evaluating $\int\prod_{i=1}^{n}(x-a_i)^{b_i}\mathrm dx$ using generalised Newton's binomial theorem
Published on
30 Mar 2026 - 6:10
#real-analysis
#integration
#taylor-expansion
#indefinite-integrals
#binomial-theorem
162
Views
Which solution to the integral $\int \frac {dx}{x \sqrt {x^2-1}}$ is correct and why?
Published on
27 Mar 2020 - 23:16
#calculus
#indefinite-integrals
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