Homework Statement
\frac{z-1}{z+1}=i
I found the cartesian form, z = i, but how do I turn it into polar form?
The Attempt at a Solution
|z|=\sqrt{0^2+1^2}=1
\theta=arctan\frac{b}{a}=arctan\frac{1}{0}
Is the solution then that is not possible to convert it to polar form?
Homework Statement
\sum_{n=2}^{\infty}sin(\frac{\pi*n}{2})/{2}
I dont have a solution, and wondered if the execution is correct.
The Attempt at a Solution
I thought that one can use comparison test where; \sum b_n= \frac{1}{n^{1/2}}.
Since p<1 ---> divergent. But many of the students says it...
1.
1) Given 2x2 matrix A with A^t = A. How many linearly independent eigenvectors is A?
2) Is a square matrix with zero eigenvalue invertible?
2; When it comes to whether it is invertible; the det(A-λ* I) v = 0
where det (A-λ * I) v = 0 where λ = 0
We get Av = 0, where the eigenvector is...
Hello guys
I'm struggling a bit with drawing momen/[M_o], to this "frame". I will be using virtual Method.
So, could you you have corrected me if it's wrong?