Homework Statement
Well as the title describes, x and y linear independent in R^n S is a subspace in Rn spanned by x,y i.e S= span(x,y)
define the matrix A as A=xy^T+yx^T
This is actually a 3 part question
1 show that A is symmetrical
2 show that N(A)=S(Perpendicular)
3 show that the...
Homework Statement
a1=0 an+1=Sqrt(1+2an) n=1,2,3...
show that an converges and find the limit
Homework Equations
The Attempt at a Solution
I have seen something like this before but i can't remember how to solve this.
well i think i get that it becomes...
Homework Statement
Hey
The part of the question that i am not all the sure about is Newtons second law.
and the Omega
the Situation is as followed
]/\/\/k1\/\/\[m]/\/\/k2/\/\[
There are 2 springs k1,k2 and a mass in between.Homework Equations
F=ma and F=-kx
x=Asin(omega(t)+theta)
The...
hey
This will be my first post but i have been on this site a few times. I have done a lot of self study for algebra and calc and i found two sites that helped the most.
1 http://www.math.armstrong.edu/faculty/hollis/
2 http://www.khanacademy.org/
hoop this helps some one...