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(Solved): Please solve and explain especially 3 and 4 is where Im confused 2. Solve the system of linear e ...
Please solve and explain especially 3 and 4 is where I’m confused
2. Solve the system of linear equations: ⎩⎨⎧2x+y−z+2t=−63x+4y+t=1x+5y+2z+6t=−35x+2y−z−t=3 (Answer: x=1,y=0,z=4 and t=−2.) 3. * Show that two planes (affine subspaces of dimension two) in R4 can intersect in a point. 4. * Show that two planes in R4 can be skew (i.e., they do not intersect and they are not parallel).