Make the following variable:
A 9x9 matrix of zeros, but with the following values on the main diagonal:
(Hint: use diag)
Return unique values without sorting
Calculate the area of a triangle between three points
Is it a number?
Solving Quadratic Equations (Version 1)
02 - Vector Variables 5
02 - Vector Variables 2
02 - Vector Variables 4
05 - Vector Equations 2
03 - Matrix Variables 5
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