These include the constant rule, power rule, constant multiple rule, sum rule, and difference rule. Rule of Three The Rule of Three [1] was an historical shorthand version for a particular form of cross-multiplication that could be taught to students by rote. f (x) = 5 is a horizontal line with a slope of zero, and thus its derivative is also zero. What is an exponent; Exponents rules; Exponents calculator; What is an exponent. Exponent rules. Exponent rules, laws of exponent and examples. An example of the Rule of Three: An example that you would use to explain the rule of three is … The Product Rule says that the derivative of a product of two functions is the first function times the derivative of the second function plus the second function times the derivative of … What is The Product Rule? The constant rule: This is simple. The power rule: To […] In algebra, in order to learn how to find a rule with one and two steps, we need to use function machines. Some differentiation rules are a snap to remember and use. The base a raised to the power of n is equal to the multiplication of a, n times: It was considered the height of Colonial math education [2] and still figures in the French national curriculum for secondary education. Simply fill in the fields of the Maths Calculator with the values you want to work out (Value A, Value B and Value X), press the calculate button and the Rule of Three Calculator will immediately display the missing value of Y. Math Worksheets How to use the product rule to find the derivative of the product of two functions?