Diagonalize the quadratic form by finding an orthogonal matrix Q such that the change of variable x-Qy transforms the given form into one with no cross-product cerms. Give Q and the new quadratic form, f(y). (Assume y Enter your answer in the form (Q. fy)) ([[row 1], [row 2]]. (y)), where each row is a comma- separated list and f(y) is in terms of Y₁ Q. rv)- and Y₂)

Q: a) For invertible matrices A, BER"Xn, show that ((AB)")- = (A-)"(B)".

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Q: X₁ Describe the solution set, x= x₂ of x₁ + 6x₂ - 2x3 = -7 in parametric vector form. Select the…

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Q: in

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