Given four coordinates, write a function to check if they form a square on the XY plane.
Back to basics 23 - Triangular matrix
Duplicate each element of a vector.
02 - Vector Variables 1
Find the Nth Root of a Given Number
Create an anti-identity matrix
Ratio between sum of primes and sum of factors
Ratio between sum of primer numbers and non-prime numbers
Get the mean digit
Say type of roots in quadratic equation
Sum of a geometric series
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