Anubis
• South Korea
• Member for 1 year, 3 months

Questions (11)

 15 Show that $|b-a|\geq|\cos a-\cos b|$ for all real numbers $\,a\,$ and $\,b$ 2 Prove that $(A\cap C)-B=(C-B)\cap A$ 2 How to find real numbers a and b where the function is differentiable at 0 1 Find set of vectors orthogonal to $\begin{bmatrix} 1 \\ 1 \\ 1 \\ \end{bmatrix}$ 1 Sketching level curves of a function for given values

Reputation (267)

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 1 Find set of vectors orthogonal to $\begin{bmatrix} 1 \\ 1 \\ 1 \\ \end{bmatrix}$ 0 Sketching level curves of a function for given values

Tags (22)

 1 linear-algebra × 2 0 multivariable-calculus × 3 1 orthogonality × 2 0 limits × 2 1 vectors × 2 0 derivatives × 2 0 calculus × 9 0 absolute-value × 2 0 functions × 5 0 elementary-set-theory

Bookmarks (11)

 502 How to prove that $\lim\limits_{x\to0}\frac{\sin x}x=1$? 53 $\epsilon$-$\delta$ proof that $\lim\limits_{x \to 1} \frac{1}{x} = 1$. 25 How to show that $f(x)=x^2$ is continuous at $x=1$? [closed] 15 Show that $|b-a|\geq|\cos a-\cos b|$ for all real numbers $\,a\,$ and $\,b$ 9 Mean Value Theorem Confusion.