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11h
reviewed Approve inequality question?
1d
reviewed Approve Limit calculation: $\lim_{x\to 0}\frac{1}{x}\ln\left(\frac{e^x − 1}{x}\right)=$?
Jul
13
reviewed Approve limits of integration and derivative
Jul
8
reviewed Approve using substitution to solve problems
Jun
24
reviewed Approve Limit $(e^x+x)^{1/x}$, when $x\to 0$
Jun
24
reviewed Approve Proof $x_n \to \inf (A)$
Jun
24
reviewed Approve My brother asked me to explain a algebra problem. How should I explain it?
Jun
11
reviewed Approve Dot product of vectors and projections
Jun
11
reviewed Approve Probability of not choosing from a lot
Jun
2
reviewed Approve positive integer solutions to $x_1 \cdot x_2 \cdot x_3=500$
May
29
reviewed Approve recurrence relations Solving for $b_n$
May
26
reviewed Approve fourier-analysis tag wiki
May
20
reviewed Approve Watts-Strogatz graphs
May
18
reviewed Approve Can someone provide me a simplest way to calculate:
Apr
29
reviewed Approve Modulo arithmetic question
Mar
9
reviewed Approve Would I apply max/min to find out how many of each bird to get 200 birds for $200?
Mar
4
reviewed Approve Are there many fewer rational numbers than reals?
Feb
15
reviewed Approve What is sum of totatives of n(natural numbers $ \lt n$ coprime to $n$ )?
Feb
9
reviewed Approve $\frac{\partial A(x, y)}{\partial x} = B(x)A(x, y), \; \frac{\partial A(x, y)}{\partial y} = -A(x, y)B(y), \; A(x,x)=I \implies A(x,y)A(y,z)=A(x,z)$
Feb
6
reviewed Approve Find $A^{100}+A^5$