Rod Carvalho
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 Sep 11 revised Let $a, b, c \in (0, 1)$ and $a+b+c+ab+bc+ca = 1+a b c$. Prove that: Fixed LaTeX Sep 11 revised Let $a, b, c \in (0, 1)$ and $a+b+c+ab+bc+ca = 1+a b c$. Prove that: Fixed LaTeX Sep 11 revised Ellipse and circles Fixed LaTeX Sep 11 revised Derivative of an even function is odd and vice versa Fixed title Sep 10 revised Find an expression for the $n$-th derivative of $f(x)=e^{x^2}$ Fixed LaTeX Sep 10 revised An autonomous (strange) Cauchy problem added 3 characters in body Sep 10 revised Is $f (D)$ necessarily an interval in $\mathbb{R}$? Fixed title Sep 10 revised Inequality. $\sqrt{\frac{11a}{5a+6b}}+\sqrt{\frac{11b}{5b+6c}}+\sqrt{\frac{11c}{5c+6a}} \leq 3$ Improved LaTeX Sep 10 revised Substitute function with its fourier series inside an integral Fixed typos Sep 10 revised Definite integral involving e and ln Corrected typos Sep 10 revised How to solve this linear homogeneous diff equation when A is not constant added 29 characters in body Sep 10 revised How to solve this linear homogeneous diff equation when A is not constant Replaced $A$ with $A (t)$ Sep 9 revised Playing with plane curves Capitalized title Sep 9 revised Express the vector $\vec{v}$ as the sum of a vectors parallel to $\vec{b}$ and a vector component of $\vec{v}$ orthogonal to $\vec{b}$. my previous edit was wrong so fixed it now Sep 9 revised Express the vector $\vec{v}$ as the sum of a vectors parallel to $\vec{b}$ and a vector component of $\vec{v}$ orthogonal to $\vec{b}$. Improved title Sep 9 revised about Jacobian and eigenvalues added 14 characters in body Sep 9 revised What kinds of initial value problems can have superposition of zero state response and zero input response? added 8 characters in body Sep 8 revised Homework Calculus line with circle added 29 characters in body Sep 8 revised Why $\Delta(c^2)=2c(\Delta c)$? deleted 3 characters in body Sep 8 revised Applied Calculus Homework Question deleted 22 characters in body