Hoffman and Kunze, linear algebra chapter 1 exercise
53612
Same solution implying row equivalence?
118117
Conjugacy Class in a matrix group with columns of standard basis
123665
A question in Subspaces in linear algebra
59598
The vectors are orthonormal
127304
Understanding the algebra of polynomials on a linear space
156877
Rank-one perturbation proof
150387
Questions about matrix rank, trace, and invertibility
43350
Schwarz's Lemma exercise
72551
Proof that $\rho = \pm1$ implies linear combination
52470
Spivak's Calculus - Exercise 4.a of 2nd chapter
155259
Textbook on Graph Theory using Linear Algebra
107435
Exercise from Atiyah-Macdonald, Chapter 1, 2.iv)
130498
Linear algebra proof regarding matrices
137209
Finding the Matrix of a Linear Operator Satisfying a Polynomial
144211
a second course in abstract algebra
61526
An exercise about nilpotent quotient groups
65873
A proof for Atiyah-Macdonald Exercise I.21.iii