How to solve a logarithmic equation with extraneous solution, ln(3x-2)+ln(x-1)=2ln(x)

How to solve a logarithmic equation with extraneous solution, ln(3x-2)+ln(x-1)=2ln(x)

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial covers logarithmic expressions, solving logarithmic equations using the power rule, and the importance of factoring in quadratic equations. It emphasizes the need to check solutions for domain restrictions, particularly in logarithms, to avoid extraneous solutions. The tutorial also highlights the significance of understanding domain restrictions in logarithmic functions and the necessity of verifying solutions to ensure they fit within the domain.

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3 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you verify if a solution to a logarithmic equation is valid?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What should you do if you find a solution that results in taking the logarithm of a negative number?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Why is it important to check solutions for extraneous results in logarithmic equations?

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