Algebra of matrices and solving simultaneous equations
134493
Find the value of $ab+ 2cb+\sqrt3 ac$?
48657
Solving factorial equations
44296
Solving a cubic polynomial equation.
83176
Writing a system of Linear Equations
87451
Construction of matrices under ZFC axioms
46308
Simultaneous diagonlisation of two quadratic forms, one of which is positive definite
17217
Linear algebra skew symmetric
63260
Matrices whose Linear Combinations are All Singular
88712
Determining a matrix from its characteristic polynomial
52882
find nonsingular matrices $B$ and $C$ that satisfy $BC+ CB= 0$
147502
Solve a matrix equation
123044
Commutative matrices are multiples of the identity
36613
Prove that simultaneously diagonalizable matrices commute
110408
Solving for $A$ in $Ax = b$
71203
Proving that two systems of linear equations are equivalent if they have the same solutions
108012
A matrix $M$ that commutes with any matrix is of the form $M=\alpha I$
58900
Decomposing a matrix with polynomial elements into a polynomial with matrix coefficients