In this lesson, learn more about this rule and look at some examples. First, we don’t think of it as a product of three functions but instead of the product rule of the two functions $$f\,g$$ and $$h$$ which we can then use the two function product rule on. For problems 1 – 6 use the Product Rule or the Quotient Rule to find the derivative of the given function. Explanation: . The power of a product rule tells us that we can simplify a power of a power by multiplying the exponents and keeping the same base. In any calculus textbook the introduction to this rule is a formal deduction using the definition of the derivative. This derivation doesn’t have any truly difficult steps, but the notation along the way is mind-deadening, so don’t worry if you have […] How to expand the product rule from two to three functions. Section 3-4 : Product and Quotient Rule. Strangely enough, it's called the Product Rule. Sam's function $$\text{mold}(t) = t^{2} e^{t + 2}$$ involves a product of two functions of $$t$$. Product Rule Definition. The product rule is useful for differentiating the product of functions. Product rule is a derivative rule that allows us to take the derivative of a function which is itself the product of two other functions. There's a differentiation law that allows us to calculate the derivatives of products of functions. You can easily find that on other websites. The Power of a Product rule states that a term raised to a power is equal to the product of its factors raised to the same power. If the exponential terms have … The Product Rule. For example, through a series of mathematical somersaults, you can turn the following equation into a formula that’s useful for integrating. When multiplying variables with exponents, we must remember the Product Rule of Exponents: . The product rule is a general rule for the problems which come under the differentiation where one function is multiplied by another function. Deriving these products of more than two functions is actually pretty simple. We use the power of a product rule when there are more than one variables being multiplied together and raised to a power. Step 1: Reorganize the terms so the terms are together: Step 2: Multiply : Step 3: Use the Product Rule of Exponents to combine and , and then and : The exponent rule for multiplying exponential terms together is called the Product Rule.The Product Rule states that when multiplying exponential terms together with the same base, you keep the base the same and then add the exponents. The Product Rule enables you to integrate the product of two functions. For example, let’s take a look at the three function product rule. I don't want to do that again here. The product rule is one of the essential differentiation rules. So what does the product rule say?