Rod Carvalho
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 Sep 22 revised How to divide currency? added 1 characters in body Sep 22 revised Prove a relation of arguments of 3 complex numbers with equal modulus Fixed LaTeX Sep 22 revised Show that for vectors $\bf u$ and $\bf v$ in $ℝ^3$, $\bf u \times v = (-v) \times u$ added 116 characters in body Sep 22 revised Basic algebra. Please help. added latex Sep 22 revised Applications of logic in sciences Added update Sep 22 revised Applications of logic in sciences added passage Sep 22 revised Is the product of elementary matrices an elementary matrix? added latex Sep 21 revised Determine the equations needed to solve a problem Fixed typos Sep 21 revised Determine the equations needed to solve a problem edited tags Sep 21 revised Vessels received by the brother monarch fixed typo, added code Sep 21 revised Vessels received by the brother monarch added link Sep 21 revised How I can prove that the sequence $\sqrt{2} , \sqrt{2\sqrt{2}}, \sqrt{2\sqrt{2\sqrt{2}}}$ converges to 2? Fixed typos Sep 21 revised What is $dx$ in integration? Fixed LaTeX Sep 21 revised Could someone please explain to me how (p ∨ q) = (p NAND p) NAND (q NAND q) Fixed typos Sep 21 revised Could someone please explain to me how (p ∨ q) = (p NAND p) NAND (q NAND q) edited tags Sep 19 revised How many sequences :$a_1,a_2,…,a_8$ added 100 characters in body Sep 19 revised Why are squares chosen as a weighting method for quantifying the deviations from a mean? fixed link Sep 18 revised Proof of Equality added 11 characters in body Sep 18 revised Calculating license plate combinations Fixed typos Sep 18 revised Using induction, prove that $\sum_{k=1}^n\frac 1 {(2k-1)(2k+1)}= \frac 12-\frac 1 {4n+2}$ when $n$ is in $\mathbb{N}$ Fixed LaTeX