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Oct
23
revised $f\left(x + \frac1x\right)= x^3+x^{-3},$ find $f(x)$
edited title
Oct
23
comment Integrate $\int\sqrt\frac{\sin(x-a)}{\sin(x+a)}dx$
Did you type all of this or is there a software to help with all the latex?
Oct
23
revised Evaluate $\int\sec^4(u) \operatorname d \!u$
added 9 characters in body; edited title
Oct
23
revised How to evaluate $\int_0^1\frac{\tanh ^{-1}(x)\log(x)}{(1-x) x (x+1)} \operatorname d \!x$?
added 13 characters in body; edited title
Oct
23
revised $\int\limits_{a}^{b} f(x) dx = b \cdot f(b) - a \cdot f(a) - \int\limits_{f(a)}^{f(b)} f^{-1}(x) dx$ proof
edited title
Oct
23
revised Integrating $\int_0^\infty \frac{\log x}{(1+x)^3}\,\operatorname d\!x$ using residues
added 32 characters in body; edited title
Oct
23
revised Help with integrating $\displaystyle \int_0^{\infty} \dfrac{(\log x)^2}{x^2 + 1} \operatorname d\!x$ - contour integration?
added 32 characters in body; edited title
Oct
23
revised Prove using contour integration that $\int_0^\infty \frac{\log x}{x^3-1}\operatorname d\!x=\frac{4\pi^2}{27}$
added 30 characters in body; edited title
Oct
22
answered Sum of $1+2+4+8+…$
Oct
22
revised Without actually calculating the value of cubes find the value of $(1)^3+(2)^3+2(4)^3+(-5)^3+(-6)^3$. Also write the identity used
added 9 characters in body
Oct
21
comment Without actually calculating the value of cubes find the value of $(1)^3+(2)^3+2(4)^3+(-5)^3+(-6)^3$. Also write the identity used
What did you try?
Oct
21
revised Without actually calculating the value of cubes find the value of $(1)^3+(2)^3+2(4)^3+(-5)^3+(-6)^3$. Also write the identity used
added 2 characters in body; edited title
Oct
21
reviewed Approve Implicit Differentiation and Tangent Lines (sin and cos)
Oct
20
revised Derivative of $e^\sqrt{4x+4}$
added 70 characters in body
Oct
20
revised Limit as x approaches 0 from the left: $\lim_{x \to 0^{-}} \sin^{-1}\left({\frac{1}{2+e^\frac{1}{x}}}\right)$
added 5 characters in body; edited title
Oct
19
revised How to compute inequality that involves logarithm
added 52 characters in body
Oct
19
revised Evaluating $\frac{\operatorname d \! \phantom x}{\operatorname d\!x}\frac{4}{\ln(x^2+2)}$
added 44 characters in body; edited title
Oct
19
revised Evaluating $\frac{\operatorname d \! \phantom x}{\operatorname d\!x}\frac{4}{\ln(x^2+2)}$
edited title
Oct
19
revised Using parametric differentiation for $\frac{\operatorname d \! y}{\operatorname d \!x}$?
added 121 characters in body; edited title
Oct
19
revised Show that the element $z=i \cos \frac{\pi}{3}+\sin \frac{\pi}{3} = i( \cos \frac{\pi}{3} - i \sin \frac{\pi}{3})$ belongs to $U_{12}$
added 102 characters in body; edited title