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Ofek Gillon's user avatar
Ofek Gillon's user avatar
Ofek Gillon's user avatar
Ofek Gillon
  • Member for 9 years, 2 months
  • Last seen more than a week ago
28 votes
Accepted

Different methods, different answers.

16 votes
Accepted

When is it allowed to take a constant out of a series?

5 votes
Accepted

Are there only a few 'universally convergent' Taylor Series?

5 votes
Accepted

Limit of $\frac{e^x}{\sinh{x}}$ with $x \to \infty$

4 votes
Accepted

What am I doing wrong in computing this Taylor Series of $f(x) = \frac{1}{4+x^{2}}$ about a = 0?

4 votes

Maximum value of $4x-9y$

4 votes

Finding the derivative of function with domain empty set

4 votes
Accepted

Can differentiation be used to find the average rate of change between two points rather than one?

4 votes

How do I find a matrix $B\neq 0$ so $AB = BA = 0$

3 votes
Accepted

Second Integral of a function

3 votes

If a coin tossed for $3$ times what is the probability of getting all tails?

3 votes

True or false? We have that $\text{det(A)} \neq 0$ for every diagonal matrix $A \in \mathbb{R}^{n \times n}$

3 votes
Accepted

Solve $y=xy'+\frac{1}{2}y'^2$ (need approach)

3 votes
Accepted

Vectors representing the principal axes of an ellipse

3 votes
Accepted

Find $\lim_{x \rightarrow \pi}\frac{\cos(\frac{\pi}{2}+x)}{x-\pi}$ without using L'Hôpital.

3 votes

How can this linear function output two values?

2 votes
Accepted

Binary operation with complex number

2 votes

Matrix multiplication with variables

2 votes
Accepted

Prove $f(x) = f(0) e^{\lambda x}$ if $f'(x) = \lambda f(x)$

2 votes

Evaluate: $\lim_{x\to \infty} (\sqrt {x-a} - \sqrt {bx})$

2 votes

Solving Linear congruences

2 votes
Accepted

Is the maximum value really integral??

2 votes

post office probability

2 votes

In The $\{0,1\}$ Space, Every Set Is An Open Set

2 votes
Accepted

Finding the preimage

2 votes

Solving Equations And Inequations Based On The Absolute Function

2 votes

Removable Singularities

2 votes

How do I prove that $\alpha/\lVert\alpha\rVert$ is differentiable?

2 votes
Accepted

Linear transformations of non square matrices?

2 votes

How to show that $ \forall x\in \Bbb R, |x|=x $ is false?