Identify Components Requiring Product Rule: Identify the components of the function k(x) that will require the use of the product rule for differentiation.The function k(x)=ex(−x53) is a product of two functions: ex and (−x53). The product rule states that the derivative of a product of two functions is the derivative of the first function times the second function plus the first function times the derivative of the second function.
Differentiate First Function: Differentiate the first function, which is ex.The derivative of ex with respect to x is ex.
Differentiate Second Function: Differentiate the second function, which is −x53. Using the power rule, the derivative of −x53 with respect to x is (53)(−x−52).
Apply Product Rule: Apply the product rule.Using the product rule, the derivative of k(x) is:k′(x)=ex⋅(53)(−x−52)+ex⋅(−x53)
Simplify Expression: Simplify the expression.k′(x)=(53)(−exx−52)−exx53This can be further simplified by factoring out ex:k′(x)=ex((53)(−x−52)−x53)
Check for Errors: Check for any mathematical errors in the differentiation process. Reviewing the steps, the differentiation was done correctly using the product rule and the power rule. There are no mathematical errors.
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