For a masculine word, the article normally preceding is 'le' but if the word begins by a vowel, the 'e' of the article disappears like in this French sentence:
L'avion décolle.
All Wikipedia text
is available under the
terms of the GNU Free Documentation License
Search Encyclopedia
Search over one million articles, find something about almost anything!
... equation, because it discriminates between three qualitatively different cases:
If the discriminant is zero, then there is a repeated solution x, and this solution is ...