SOLVE FOR X:
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Originally Posted by Sakai SOLVE FOR X: Hint: and . Do some minor simplifications first and try to get everything in terms of log base 3. Can you try to proceed?
Cool! I didn't know that [LaTeX ERROR: Compile failed] . Originally Posted by Chris L T521 Hint: and . Do some minor simplifications first and try to get everything in terms of log base 3. Can you try to proceed? So , , and . I get which means , so we solve the quadratic to get and . Thank you.
Originally Posted by Sakai Cool! I didn't know that [LaTeX ERROR: Compile failed] . Its a consequence of the change of base formula: So , , and . I get which means , so we solve the quadratic to get and . Thank you. But note that can't be a solution! Do you see why?
Originally Posted by Chris L T521 Its a consequence of the change of base formula: Thanks. I will need to familiarise myself with that formula. But note that can't be a solution! Do you see why? Because is defined only for positive , right?
Originally Posted by Sakai Because is defined only for positive , right? Correct!
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