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Original Question
Give an example of a logarithmic equation that cannot be solved and explain why it cannot be solved. (3 marks)Question
Give an example of a logarithmic equation that cannot be solved and explain why it cannot be solved.
Answers
Reiny
work backwards
You know that we cannot take the log of a negative number, so
let x = -5
2x = x-5
take log of both sides
log 2x = log ( x-5)
now try to solve it
You know that we cannot take the log of a negative number, so
let x = -5
2x = x-5
take log of both sides
log 2x = log ( x-5)
now try to solve it
Hasane
Ahh I see thx