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pureundergrad
  • Member for 6 years, 3 months
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2 votes

Find all function satisfying a given inequality

2 votes

Show $f$ is not differentiable at $x = 0$.

2 votes

Exact cost per ingredient in a recipe

2 votes
Accepted

Evaluating a tricky integral using Cauchy's integral formula.

2 votes

Summation notation with no starting \ stopping point

2 votes

Integrating a function using u-substitution

2 votes

$\Bbb Z / n$ and $\Bbb Z$ where $ n \ge 2$

1 vote

A step by step process for how I think Laurent series should be obtained.

1 vote

Why is it if $\epsilon > 0$ is arbitrary implies that $d(p,p') = 0$ if $d(p,p') < \epsilon$?

1 vote

Function and tangent problem

0 votes

find the derivative of sin x by first principle?

0 votes

$\sum_{k=1}^\infty a_k$ converges iff $\sum_{k=1}^\infty a_k/(1+a_k)$ converges

0 votes
Accepted

Finding the probability that the motorist must stop at only one traffic light, at least two traffic lights

0 votes

show whether $\frac {xy}{x^2+y^2}$ is differentiable in $0$ or not? (multivariable)

0 votes

Evaluate the integral of $\frac{e^{−z}}{(z^2)}$ around the circle |z| = 2