A level maths logarithms
Hello, can someone please help me understand why 2x=ln9 becomes x=ln3?
Reply 1
Original post by JimMiller069
Hello, can someone please help me understand why 2x=ln9 becomes x=ln3?
Hello JimMiller069!
Try to use the property of logarithms: ln(a^b) = b x ln(a). Write 9 as 3^2 and continue.
Bye,
Reply 2
Original post by Nitrotoluene
Hello JimMiller069!
Try to use the property of logarithms: ln(a^b) = b x ln(a). Write 9 as 3^2 and continue.
Bye,
Sandro
Try to use the property of logarithms: ln(a^b) = b x ln(a). Write 9 as 3^2 and continue.
Bye,
Thank you, I understand it now 🙂
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