i is the imaginary unit, it is defined by i² = -1, therefore it is a solution to x²+1=0.
is to write a function pofi that returns i to the power of a given non-negative integer in its simplest form as a string (answer may contain i).
i is the imaginary unit, it is defined by i² = -1, therefore it is a solution to x²+1=0.
is to write a function pofi that returns i to the power of a given non-negative integer in its simplest form as a string (answer may contain i).