Araceae (not to be confused with Arecaceae) is a family of monocots in which the flowers are borne on a spadix, with female flowers at the bottom and male flowers at the top, enclosed in a spathe. It includes the calla[?] and the largest flower in the world, Amorphophallus titanum. The taro (Colocasia esculenta) is also in this family.
... non-zero. These solutions are also called the roots of the equation. The formula reads
<math>
x=\frac{-b \pm \sqrt {b^2-4ac}}{2a}
</math>
The term b2 ...