Question: Why does 0*I (zero times the imaginery unit) does not evaluate to zero

I made this observation when comapring two expression containg elliptic integrals (see attached)

Such unevaluated complex output maybe be the reason why fsolve and plot sometimes did not produce output on similar expressions in another question I posted

https://www.mapleprimes.com/questions/233304-How-To-Find-The-Inverse-Function-Of

 

_zero_times_imaginery_unit.mw

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