#10: Let W be the plane with the equation 4x-y+ 7: = 0. Find the standard matrix P for the orthogonal projection onto W. Use the following formula P = A(ATA) ¹AT, where the matrix A is constructed using any basis for Was its column vectors. Enter the first row of the matrix P (in order) into the answer box below, separated with commas, i.e., enter the values P11, P12, P13.

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