Find a basis of the subspace ofRª defined by the equation 7x1+9x2+ 6x3 + 5x4 = 0. Basis:
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- Find an orthonormal basis of the subspace spanned by the vectors in Exercise 3.Find the orthogonal projection of v onto the subspace W spanned by the vectors uiFind an orthogonal projection of (6, 0, 0) (1) along the vector (1, 2, 1)(2) On the plane determined by (1, 2, 1) and (1, −1, 1)(3) On the subspace spanned by (1, 2, 1), (1, −1, 1) and (3, 0, −3)
- determine whether the first vector is in the subspace of R3 generated by the other vectors.1) (1, 4, -3); (1, 0, 1), (1, 1, 0), (3, 1, 2)2) (1, 1, 2); (0, 1, 0), (3, 5, 6), (1, 2, 1)The set of all nxn matrices having trace equal to zero. is a subspace W of Mnxn(F). Find a basis for W. What is the dimension of W?Show that the solution vectors of a consistent non-homogeneous system of m equations in n unknowns do not form a subspace of Rn