Question

Find a 2×2 matrix a for which where eλ is the eigenspace associated with the eigenvalue λ.

Answer 1

_______________
l              l              l   HERE'S A TEMPLATE FOR A 2X2 GRID :-D
l              l              l
l_______l_______l
l              l              l   \left \{ {{y=2} \atop {x=2}} \right.  \left \{ {{y=2} \atop {x=2}}
l              l              l
l_______l_______l