Question: If you run this piece of code, you will get an error. Why?

1. You are attempting to multiply a non-square matrix by itself, causing a dimension mismatch.
2. MATLAB does not allow you to square all the elements in the matrix in a single operation.
3. You must use the \*\* operator instead of the ^ operator.
4. You cannot square matrices that have a 0 as the first element.

Answer: The correct answer of the above question is Option A:You are attempting to multiply a non-square matrix by itself, causing a dimension mismatch.