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Find the derivative of the following function.

y=ln(4x^(2)-3x)
Answer: 
y^(')=

Find the derivative of the following function.\newliney=ln(4x23x) y=\ln \left(4 x^{2}-3 x\right) \newlineAnswer: y= y^{\prime}=

Full solution

Q. Find the derivative of the following function.\newliney=ln(4x23x) y=\ln \left(4 x^{2}-3 x\right) \newlineAnswer: y= y^{\prime}=
  1. Identify Function: Identify the function to differentiate.\newlineWe have y=ln(4x23x)y = \ln(4x^2 - 3x). This is a composition of two functions: the natural logarithm function and a quadratic function inside it.
  2. Apply Chain Rule: Apply the chain rule for differentiation.\newlineThe chain rule states that if you have a composite function y=f(g(x))y = f(g(x)), then the derivative yy' is f(g(x))g(x)f'(g(x)) \cdot g'(x). Here, f(u)=ln(u)f(u) = \ln(u) and g(x)=4x23xg(x) = 4x^2 - 3x.
  3. Differentiate Outer Function: Differentiate the outer function f(u)=ln(u)f(u) = \ln(u) with respect to uu. The derivative of ln(u)\ln(u) with respect to uu is 1/u1/u. So, f(u)=1/uf'(u) = 1/u.
  4. Differentiate Inner Function: Differentiate the inner function g(x)=4x23xg(x) = 4x^2 - 3x with respect to xx. The derivative of 4x24x^2 with respect to xx is 8x8x, and the derivative of 3x-3x with respect to xx is 3-3. So, g(x)=8x3g'(x) = 8x - 3.
  5. Apply Chain Rule with Derivatives: Apply the chain rule using the derivatives from steps 33 and 44.\newlineWe have f(u)=1uf'(u) = \frac{1}{u} and g(x)=8x3g'(x) = 8x - 3. Now, we substitute uu with g(x)g(x) to get f(g(x))=14x23xf'(g(x)) = \frac{1}{4x^2 - 3x}. Then, we multiply f(g(x))f'(g(x)) by g(x)g'(x) to get the derivative of yy with respect to xx.\newliney=f(g(x))g(x)=(14x23x)(8x3)y' = f'(g(x)) \cdot g'(x) = \left(\frac{1}{4x^2 - 3x}\right) \cdot (8x - 3).
  6. Simplify Derivative: Simplify the expression for the derivative.\newliney=8x34x23xy' = \frac{8x - 3}{4x^2 - 3x}.\newlineThis is the simplified form of the derivative.

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