Q49Comprehension1 Mark20 Nov 2022
Passage
Consider T:R3→R2 and S:R2→R3 given by T(x,y,z)=(x+y,y+z) and S(x,y)=(x,y,x+y). Let β and γ be the standard ordered bases of R3 and R2. If A is the matrix representation of S∘T with respect to β for both domain and codomain, and the order of A is m×n, find m+n.