This codes fail one test case i dont where i went wrong!

#1


for this code i failed Test case 2 only
and

for this code i failed Test case 3 only
a small is made but dont know please help

#2

it is mentioned that if the roots are imaginary then you dont need to print the roots but you have to just print “Imaginary” .
add return in the imaginary root loop(d<0)

#3

thank you for your help