Q. Find the derivative of the following function.y=ln(x6−8x5)Answer: y′=
Identify Function Components: Identify the function and its components.We have y=ln(x6−8x5). The function inside the natural logarithm is u(x)=x6−8x5.
Find Inner Function Derivative: Find the derivative of the inner function u(x)=x6−8x5. Using the power rule, we differentiate term by term. u′(x)=dxd(x6)−dxd(8x5)u′(x)=6x5−40x4
Apply Chain Rule: Apply the chain rule to differentiate y=ln(u(x)). The chain rule states that if y=ln(u(x)), then y′=u(x)u′(x). We already found u′(x) in Step 2, and u(x) is given by the inner function. y′=x6−8x56x5−40x4
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