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in mathematics the cross products are the binary operation on two vectors in a 3dimensional Euclidean space that results in another vector which is perpendicular to the containing the 2 inputs vector.
The four fundamental operation have no intrinsic value. As the name suggests, they are operators. In fact, they are binary operators, which means that they take two values as input and their output is a single value. That value will depend on the inputs.
Communitative Property In mathematics an operation is commutative if changing the order of the operation does not change the end result. It is a fundamental property of many binary operations, and many mathematical proofs depend on it. ...
Given a set and a binary operation defined on the set, the inverse of any element is that element which, when combined with the first, gives the identity element for the binary operation. If the set is integers and the binary operation is addition, then the identity is 0, and the inverse of an integer k is -k. If the set is rational numbers and the binary operation is multiplication, then the identity element is 1 and the inverse of any member of the set, x (other than 0) is 1/x.
A binary operator is simply an operator that works with two operands (for example, two numbers). The binary operator is usually written between the two operands. Examples include the familiar operations of addition, subtraction, multiplication, or division - for example, in: 2 + 3 the "plus" is the binary operator, which works on the two numbers written on either side of it. What is an operator: Basically a function (calculation rule), written in a special way.