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Amateur
  • Member for 10 years, 9 months
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4 votes
Accepted

Need help understanding how the solution goes from one step to another $\int \frac{\sqrt{x+4}}{x}dx$

4 votes
Accepted

Series Convergence

4 votes

If A and B are two Matrices , than find $(A-B)^2$.

4 votes

Show that T does not have a finite order

3 votes
Accepted

condition for differentiability

3 votes
Accepted

How is $a_n=(1+1/n)^n$ monotonically increasing and bounded by $3$?

3 votes

Can you only take positive numbers into a square root?

2 votes
Accepted

Show where $f(x,y) = \sqrt{|x| + |y|}$ is differentiable

2 votes

clarification on the formula $\frac{n!}{(n-k)!}$

2 votes
Accepted

Question about sum of random variables

2 votes

Find the length of the line segment $CE$

2 votes

"Powers" to a Power: MultipLY

2 votes
Accepted

Proving congruency of triangles

1 vote
Accepted

How don I find all solutions to $\sec(3 \theta)=1$ with $\theta$ in degrees?

1 vote

Proving that $f$ is a bijection from $N$x$N$ to $N$.

1 vote

Set theory (A\C) \ (B\C) = (A\B)\C

0 votes

Prove that $|[r_1] \mod n_1| = |[r_2] \mod n_2|$.

0 votes
Accepted

Why $\inf _{k \geq n} f_k $ is a nondecreasing sequence?