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Find the derivative of the following function.

y=ln(5x^(2)+x)
Answer: 
y^(')=

Find the derivative of the following function.\newliney=ln(5x2+x) y=\ln \left(5 x^{2}+x\right) \newlineAnswer: y= y^{\prime}=

Full solution

Q. Find the derivative of the following function.\newliney=ln(5x2+x) y=\ln \left(5 x^{2}+x\right) \newlineAnswer: y= y^{\prime}=
  1. Identify function: Identify the function to differentiate.\newlineThe function given is y=ln(5x2+x)y = \ln(5x^2 + x). We need to find the derivative of this function with respect to xx.
  2. Apply chain rule: Apply the chain rule for differentiation.\newlineThe chain rule states that the derivative of a composite function is the derivative of the outer function evaluated at the inner function times the derivative of the inner function. In this case, the outer function is ln(u)\ln(u) and the inner function is u=5x2+xu = 5x^2 + x.
  3. Differentiate outer function: Differentiate the outer function with respect to the inner function.\newlineThe derivative of ln(u)\ln(u) with respect to uu is 1u\frac{1}{u}. So, if y=ln(u)y = \ln(u), then dydu=1u\frac{dy}{du} = \frac{1}{u}.
  4. Differentiate inner function: Differentiate the inner function with respect to xx. The inner function is u=5x2+xu = 5x^2 + x. The derivative of 5x25x^2 with respect to xx is 10x10x, and the derivative of xx with respect to xx is 11. Therefore, dudx=10x+1\frac{du}{dx} = 10x + 1.
  5. Apply chain rule: Apply the chain rule to find the derivative of yy with respect to xx. Using the chain rule, dydx=dydududx\frac{dy}{dx} = \frac{dy}{du} \cdot \frac{du}{dx}. We have dydu=1u\frac{dy}{du} = \frac{1}{u} and dudx=10x+1\frac{du}{dx} = 10x + 1. Substituting u=5x2+xu = 5x^2 + x into dydu\frac{dy}{du}, we get dydx=1(5x2+x)(10x+1)\frac{dy}{dx} = \frac{1}{(5x^2 + x)} \cdot (10x + 1).
  6. Simplify derivative: Simplify the expression for the derivative.\newlineThe derivative of yy with respect to xx is dydx=10x+15x2+x\frac{dy}{dx} = \frac{10x + 1}{5x^2 + x}. This is the final simplified form of the derivative.

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