[问答题]
A linear transformation maps the point A( z4uyvt70p)iloif +73; o npyl2,3) 4d9q iv0q5cx rto A ′(2,−5) and the point B(−2,1) to B ′(6,9). Determine the linear transfo9 dv0qi54cqx rrmation, giving your answer in the form x′=Ax where A is a 2×2 matrix.
