Jeffrey's answer to Jennice's Secondary 4 A Maths question.

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Jeffrey
Jeffrey's answer
6 answers (A Helpful Person)
1st
For addition and subtraction of logarithms you cannot just take out the log function, you need to make it into one fraction like what I did. Hope it helps! :)
Jeffrey
Jeffrey
7 years ago
I started my workings from line 5 of yours by the way!
Jennice
Jennice
7 years ago
Oh thank you very much! That was very helpful!