Give the sum of the first 'n' terms of a geometric series, given 'a' as the first term and 'r' as the ratio.
Swap the first and last columns
Get the length of a given vector
Sum the 'edge' values of a matrix
Write a function man that takes a row vector v and returns a matrix H as follows..
Calculate the square of a number (Super Easy)
Approximate the inverse tangent by power series
Ratio between sum of primer numbers and non-prime numbers
Get the value 100
Say type of roots in quadratic equation
Alternate list of elements
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