Math Problem Statement

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Part 1

Find the derivative of the function.

y equals x squared ln x squared

Solution

To find the derivative of the function y=x2ln(x2)y = x^2 \ln(x^2), let's go through the process step-by-step.

Step 1: Rewrite the Function

Since ln(x2)\ln(x^2) can be simplified, we can rewrite the function as: y=x2ln(x2)=x22ln(x)=2x2ln(x)y = x^2 \cdot \ln(x^2) = x^2 \cdot 2 \ln(x) = 2x^2 \ln(x)

So now, we have y=2x2ln(x)y = 2x^2 \ln(x).

Step 2: Differentiate Using the Product Rule

The product rule states that for two functions u(x)u(x) and v(x)v(x), the derivative (uv)=uv+uv(uv)' = u'v + uv'.

Here, we let:

  • u=2x2u = 2x^2
  • v=ln(x)v = \ln(x)

Differentiate uu and vv:

  1. u=2x2u = 2x^2, so u=4xu' = 4x.
  2. v=ln(x)v = \ln(x), so v=1xv' = \frac{1}{x}.

Apply the Product Rule:

Using the product rule: y=uv+uvy' = u'v + uv' Substitute u,u,v,u, u', v, and vv': y=(4x)ln(x)+(2x2)1xy' = (4x) \ln(x) + (2x^2) \cdot \frac{1}{x}

Step 3: Simplify the Expression

y=4xln(x)+2xy' = 4x \ln(x) + 2x

Final Answer

The derivative of y=x2ln(x2)y = x^2 \ln(x^2) is: y=4xln(x)+2xy' = 4x \ln(x) + 2x

Would you like more details on any of the steps, or have any questions?


Here are five related questions for further practice:

  1. Find the derivative of y=x3ln(x)y = x^3 \ln(x).
  2. Determine the derivative of y=x2ln(x3)y = x^2 \ln(x^3).
  3. If y=x2ln(x)+xy = x^2 \ln(x) + x, find yy'.
  4. Evaluate the derivative of y=x2eln(x)y = x^2 e^{\ln(x)}.
  5. Find the second derivative of y=2x2ln(x)y = 2x^2 \ln(x).

Tip: When dealing with logarithmic expressions, simplify any exponents inside the logarithm before differentiating.

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Math Problem Analysis

Mathematical Concepts

Differentiation
Logarithmic Functions
Product Rule

Formulas

Derivative of ln(x): d/dx[ln(x)] = 1/x
Product Rule: (uv)' = u'v + uv'

Theorems

Product Rule

Suitable Grade Level

Grades 11-12