d

To differentiate , we can use the product rule. The product rule states that if you have two functions multiplied together, and , then the derivative is . Here, let and . After applying the product rule and simplifying, we find that .

Don’t forget to simplify! A common mistake is to forget to combine like terms after applying rules of differentiation, which can lead to more complex problems down the line. Always double-check your steps to ensure clarity in your final answer.