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Apr
25
reviewed Approve Decode the message $(1,1,1,0,1,1,1)$ using the Hamming $ (7,4)$ code
Apr
24
reviewed Approve Suppose $f$ is analytic and $f(a) = f(b) = 0$. Show that $|f(z)| ≤ |{z − a \over 1 − z\bar{a}}| · |{z − b \over 1 − z\bar{b}}|$.
Jan
5
reviewed Approve Show there is a path in X $\times$ Y if and only if there is a path in X and a path in Y
Jan
5
reviewed Approve Find least possible number of factors
Mar
11
reviewed Approve Double Angle Formula?
Mar
8
reviewed No Action Needed What are the odds of a specific 5 digit combination appearing within an 8 digit combination of numbers in any order/any recurrences from 0-9.
Mar
8
reviewed Approve Why does the following nonlinear system have 21 solutions?
Mar
8
reviewed Approve Is the function $f(x,y) = \sin(\frac{r}{\theta}), f(0,0) = 0$ continous at the point $ (0,0)$?
Feb
27
reviewed Approve Let $T$ be a tree of order $n$. Why is the complement $\neg T$ of $T$ the same size as $K_{n-1}$?
Feb
22
reviewed No Action Needed Infinite Sum with Combination
Feb
21
reviewed Edit Find the ratio of the area inside the square but outside the circle to the area of the square in the figure.
Feb
21
reviewed Approve Conic Sections Question - Hyperbolas & Circles
Feb
20
reviewed Approve $\ln( \exp( \ln( \exp( 64 )^{1/2} )^{1/2} )^{1/2} )$
Feb
20
reviewed Reject Eigenvector of simple matrix
Feb
20
reviewed Approve $\ln( \exp( \ln( \exp( 64 )^{1/2} )^{1/2} )^{1/2} )$
Feb
16
reviewed Approve Probability exercise: exchange uniform in a soccer match
Feb
16
reviewed Approve probability $2/4$ vs $3/6$
Feb
15
reviewed Approve How to draw a hyperbola?
Feb
14
reviewed Approve Consider convergence of series
Feb
13
reviewed Looks OK Difference between closed, bounded and compact sets