Rejecting an invalid logarithmic root
Rejecting an invalid logarithmic root
5 marks
TGM Original
Solve ln(x-1)+ln(x+1)=ln8, showing why any rejected value is invalid.
Solution:
Solution locked
680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs tuition enrolment.
Create a free account to practise similar questions.
Answer:\(x=3\)
Need help? Join our JC Math tuition classes.
Learn more