Answer Happy

Please tell me how to solve last question(part4)
Part 1 of T: R222 + R222 1 2 T(A) = [3 334 A 6 a) dim(ker(T)) = 2 Part 2 of b) Two matrices in R242 that form a basis for ker(T) are 2 0 0 2 A1 A2 1 0 0 1 Part 3 of c) Is T one-to-one? No v Part 4 of d) Find A and B in R222 such that A + B, but T(A) = T(B). - А -88) --EET B