2 For the given quadratic form x} 2 x + Iny + )3, we have found the orthogonal matrix L; J? J3 j _ 1 such that the change of variable x = Qy produces y] 2 61:12 4y22. To conclude, find an orthogonal matrix Q such that the change of variable x = Q9 transforms the given form into one with no cross-product terms. Give Q and the new quadratic form, y}. [Assume y = I: :1 :|. Enter your answer in the form (Q, y}}={[[row 1],,[rew 2]], full] where each row is a 2 commaseparated list and y} is in terms of fl and 1:2.) (Q. res = ( |:| ) \f