Find a matrix P such that PTAP orthogonally diagonalizes A. Verify that PTAP gives the proper diagonal form. (Enter each matrix in the form [[row 1], [row 2], ...], where each row is a comma-separated list. ) A = 0 −4 0 −4 0 −3 0 −3 0 (P, PTAP)

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Answer! if you don’t mind, can you explain