No, it's zero.
a value of zero in the denominator makes the fraction undefined
The answer depends on the part of the question that is missing.
Undefined: You cannot divide by zero
undefined
One divided by zero is undefined.
Undefined: You cannot divide by zero
It cannot be defined what any number divided by zero is, even zero. Any fraction (x/0) is simply called "undefined."
Undefined: You cannot divide by zero
Undefined
undefined
if there is 0 in the numerator it is zero regardless. But if it's zero in the denominator and zero in the numerator then it is undefined in all such cases where the denominator equals zero.
Undefined: You cannot divide by zero