A Level Maths Logarithms Questions
C2 edexcel january 2013 q6.
A level maths logarithms questions. It is called a common logarithm. Solve the equation 1 2 2x 1 1. Questions on logarithm and exponential with solutions at the bottom of the page are presented with detailed explanations. Question 4 jan 2007 5.
The inverse of the exponential is the logarithm or log for short. The logarithmic functions are written as which means the same as. Working with logarithms c3 ocr june 2012 q2. A level maths edexcel c2 june 2008 q4b examsolutions youtube video.
Solve 0 5 e x. Question 2 jun 2005 3. Examsolutions maths revision youtube video michaelexamsolutionskid 2020 11 10t19 07 39 00 00 about examsolutions. Sometimes a logarithm is written without a base like this.
3 question 3 may 2006 4. A write down the value of log 6 36. Exponential and log equations. Log 8 5 b.
If we are given equations involving exponentials or the natural logarithm remember that you can take the exponential of both sides of the equation to get rid of the logarithm or take the natural logarithm of both sides to get rid of the exponential. Giving your answer to 3 signi cant gures. Examsolutions maths revision youtube video. Exam questions logarithms.
Solve the equation 5x 17. Then ln 0 5 ln e x ln 0 5 x. 1 view solution helpful tutorials. Questions separated by topic from core 3 maths a level past papers.
Solve x y m y x 3 for m. It is how many times we need to use 10 in a multiplication to get our desired number. On a calculator it is the log button. Express log 4 10 in terms of b.
Engineers love to use it. Log 100 this usually means that the base is really 10. Mr low a full time tutor from malaysia passionate about teaching mathematics for pmr maths spm additional maths spm modern maths and international school maths included sat gcse checkpoint igcse syllabus. A find to 3 signi cant gures the value of x for which 8x 0 8.
In a is called the base logs can have different bases however the most common one is base 10.