Give the sum of the first 'n' terms of a geometric series, given 'a' as the first term and 'r' as the ratio.
Arrange vector in ascending order
Area of a triangle
Find out magnitude of vector
Sum of self power series
Double the next!
Say type of roots in quadratic equation
Check if is a square
Alternating 1´s and 0´s in a matrix
Ratio between sum of primes and sum of factors
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