Also notice that we require the function to be continuous in the interval of integration. This was also a requirement in the definition of the definite integral. We didnât make a big deal about this in the last section. In this section however, we will need to keep this condition in mind as we do our evaluations.
A metallic solid or liquid that is composed of a homogeneous mixture of two or more metals or of metals and nonmetal or metalloid elements, usually for the purpose of imparting or increasing specific characteristics or properties: Brass is an alloy of zinc and copper. 2. A mixture; an amalgam: Television news has ...
Alloys An alloy is a mixture of two or more metals. When a material is needed which requires certain properties and this does not exist in a pure metal we combine metals. Pure white aluminium is very soft and ductile. Other elements can be added to create an aluminium alloy.