Solve the following problems, using MATLAB. You will need to submit your 'diary' file or any work by MATLAB as a hardcopy. No softcopy will be accepted. Needs to be done by hand 6. Construct a regular tetrahedron in the first octant with the two given points, a regular tetrahedron is a 3 dimensional shape whose sides are all equilateral triangles (a) A=(0,0,0),B=(0,0,7) (b) A=(1,1,0),B=(1,3,0)