A Farewell to Arms - Ernest Hemingway is published. In 2001, the book would be one of two books by Hemingway to be named to the list of the 100 best English-language novels of the 20th century by the editorial board of the American Modern Library.
... 2, the element 2a is zero and it is impossible to divide by it.)
The symbol
<math>\pm \sqrt {b^2-4ac}</math>
in the formula should be understood as ...