Is it possible for the resultant of four non-coplanar vectors to be zero?
46855
Minimum number of vectors needed in different planes for their resultant to be zero
38160
Number of roots of $z^4+z^3+4z^2+2z+3=0$ in each quadrants
156643
Vectors perpendicular to triangle sides sum to zero
9250
Can the zero vector be an eigenvector for a matrix?
34206
Quadratic form under $\mathbb{C}$ finite-dimension vector space always have a nonzero vector that yields zero?
50277
Relationship between cosines of angles in 4 dimensions
78873
How to show that the monomials are not a Schauder basis for $C[0,1]$
139087
polar decomposition of a square A when A is not full rank/invertible
117777
What are the zero divisors of $C[0,1]$?
36331
One root common to $ax^2+2bx+c=0$ and $dx^2+2ex+f=0$
52882
find nonsingular matrices $B$ and $C$ that satisfy $BC+ CB= 0$
126402
How to factor a fourth degree polynomial
80002
zeros of a polynomial
58021
Finding matrix $B$ is not zero matrix where $AB= 0$
138605
Why `Chop` does not make the real part of machine complex numbers an exact zero?
6911
Solving 4 Quadratic Simultaneous Equations
4443
Why is the determinant zero iff the column vectors are linearly dependent?