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seen Oct 10 '12 at 19:24

Jul
2
awarded  Curious
Jan
14
awarded  Popular Question
Dec
13
awarded  Popular Question
Oct
10
comment Prove that $f$ is onto if and only if $g$ is onto
I understand the image, but I don't know how to apply the math behind it.
Oct
10
comment Prove that $f$ is onto if and only if $g$ is onto
How can I find the preimage in $P(A)$? By applying the definition of $g(S)$ for $P(A)$?
Oct
10
comment Prove that $f$ is onto if and only if $g$ is onto
How can I show that $g$ is onto if it's domain is just the power set of $A$?
Oct
10
asked Prove that $f$ is onto if and only if $g$ is onto
Oct
9
asked Show that $n$ lines separate the plane into $\frac{(n^2+n+2)}{2}$ regions…Induction!
Oct
9
comment Prove the $3^n < n!$ for all $n > 6$
So I multiply the RHS by 3?
Oct
9
asked Prove the $3^n < n!$ for all $n > 6$
Oct
8
comment Solving a differential equation given a general solution
Can you explain why the product is -5 rather than just 5?
Oct
7
asked Solving a differential equation given a general solution
Oct
7
accepted Find the general solution given the complementary solution and particular solution
Oct
7
accepted Find general solution given one solution
Oct
7
awarded  Scholar
Oct
7
accepted Trying to understand LMS algorithm
Oct
7
accepted Find two other linearly independent solutions to the second order differential equation
Oct
7
accepted Show that $y(t) = t$ and $g(t) = t \ln(t)$ are linearly independent
Oct
7
accepted How far does the boat coast?
Oct
7
accepted Finding the general solution of a sixth degree differential equation