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Find the derivative of the following function.

y=log_(5)(x^(3)-2x^(2))
Answer: 
y^(')=

Find the derivative of the following function.\newliney=log5(x32x2) y=\log _{5}\left(x^{3}-2 x^{2}\right) \newlineAnswer: y= y^{\prime}=

Full solution

Q. Find the derivative of the following function.\newliney=log5(x32x2) y=\log _{5}\left(x^{3}-2 x^{2}\right) \newlineAnswer: y= y^{\prime}=
  1. Understand function and base: Understand the function and the base of the logarithm.\newlineWe are given the function y=log5(x32x2)y = \log_5(x^3 - 2x^2), which is a logarithm with base 55. To find the derivative, we will need to use the change of base formula and the chain rule.
  2. Apply change of base: Apply the change of base formula to the logarithmic function.\newlineThe change of base formula allows us to write the logarithm with base 55 in terms of the natural logarithm (ln):\newliney=log5(x32x2)=ln(x32x2)ln(5)y = \log_5(x^3 - 2x^2) = \frac{\ln(x^3 - 2x^2)}{\ln(5)}
  3. Differentiate using chain rule: Differentiate the function using the chain rule.\newlineTo find yy', we need to differentiate ln(x32x2)\ln(x^3 - 2x^2) with respect to xx and then divide by ln(5)\ln(5), which is a constant.\newlineUsing the chain rule, the derivative of ln(u)\ln(u) with respect to xx is (1/u)dudx(1/u) \cdot \frac{du}{dx}, where u=x32x2u = x^3 - 2x^2.
  4. Calculate inner function derivative: Calculate the derivative of the inner function u=x32x2u = x^3 - 2x^2.\newlineThe derivative of uu with respect to xx is dudx=3x24x\frac{du}{dx} = 3x^2 - 4x.
  5. Combine to find derivative: Combine the results to find the derivative of yy. Now we can write the derivative of yy as: y=1(x32x2)(3x24x)ln(5)y' = \frac{1}{(x^3 - 2x^2)} \cdot \frac{(3x^2 - 4x)}{\ln(5)}
  6. Simplify derivative expression: Simplify the derivative expression.\newlineWe can leave the derivative in its current form, or we can simplify it further by distributing the numerator:\newliney=3x24x(x32x2)ln(5)y' = \frac{3x^2 - 4x}{(x^3 - 2x^2) \cdot \ln(5)}

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