Math Problem Statement

inx^2+inx=0

Solution

To solve the equation ln(x2)+ln(x)=0\ln(x^2) + \ln(x) = 0, we can first simplify it using logarithmic properties.

Step-by-step solution:

  1. Combine the logarithmic terms: Recall that ln(a)+ln(b)=ln(ab)\ln(a) + \ln(b) = \ln(ab). Thus, ln(x2)+ln(x)=ln(x2x)=ln(x3)\ln(x^2) + \ln(x) = \ln(x^2 \cdot x) = \ln(x^3) The equation now becomes: ln(x3)=0\ln(x^3) = 0

  2. Exponentiate both sides: To remove the logarithm, exponentiate both sides of the equation: eln(x3)=e0e^{\ln(x^3)} = e^0 This simplifies to: x3=1x^3 = 1

  3. Solve for xx: To solve for xx, take the cube root of both sides: x=1x = 1

Thus, the solution to the equation is x=1x = 1.


Do you want more details on any of the steps or further clarification?

Here are some related questions:

  1. What is the derivative of ln(x2)+ln(x)\ln(x^2) + \ln(x)?
  2. How does the property ln(a)+ln(b)=ln(ab)\ln(a) + \ln(b) = \ln(ab) work?
  3. What happens if ln(x2)+ln(x)=ln(c)\ln(x^2) + \ln(x) = \ln(c) instead of 0?
  4. Can you solve ln(xn)+ln(x)=0\ln(x^n) + \ln(x) = 0 for any value of nn?
  5. What is the general rule for solving logarithmic equations?

Tip: Remember, ln(x)\ln(x) is only defined for x>0x > 0, so when solving logarithmic equations, check that your solutions are in the domain.

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Math Problem Analysis

Mathematical Concepts

Logarithms
Exponentiation
Algebra

Formulas

ln(a) + ln(b) = ln(ab)
e^{ln(x)} = x

Theorems

Properties of logarithms
Exponentiation to solve logarithmic equations

Suitable Grade Level

Grades 10-12