How do you apply the quadratic formula to solve for X in the equation derived from the logarithmic equation?
Tutorial - Solving logarithmic equations ex 16, log4(x+4)-log4(x)=log4(x+2)
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Mathematics
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11th Grade - University
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Hard
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The video tutorial explains how to solve a logarithmic equation by applying properties of logarithms, transforming it into a quadratic equation, and using the quadratic formula to find solutions. The instructor highlights the importance of identifying extraneous solutions, especially when dealing with logarithmic equations, and provides a step-by-step walkthrough of the process.
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2 questions
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OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Why is the solution X = -2.56 considered extraneous in the context of logarithmic equations?
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