Given n=10, find the sum of first 'n' terms
Example: If n=10, then x=1,2,3,4,5,6,7,8,9,10. The sum of these n=10 terms is 55
given 3 sides, find area of this triangle
Getting the indices from a matrice
Who has power to do everything in this world?
Sum the numbers on the main diagonal
03 - Matrix Variables 1
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