Give the sum of the first 'n' terms of a geometric series, given 'a' as the first term and 'r' as the ratio.
Solve the Sudoku Row
Angle between two vectors
Find the Nth Root of a Given Number
Matlab Basics II - Count rows in a matrix
Draw a 'X'!
Say type of roots in quadratic equation
Double the next!
Alternating 1´s and 0´s in a matrix
Check if is a square
Approximate the inverse tangent by power series
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