1/0 * 0/1 =? What will be the correct answer?

Answer 1

You cannot divide any number by zero. Since 1/0 is undefined, the solution to this problem is no solution.

Answer 2

You are multiply two fractions. One of them, 0/1 equals 1. The other one, 1/0 is undefined. Now undefined*0 is undefined. In fact undefined *any number is undefined.

The answer is undefined.