Log 8 5 b. 1 Let b 0 and b 1. Find the value of Answer.
2019 Updated IB Maths SL Questionbank Exponents Logs.
The logarithm function is defined for x 0 x 1 displaystyle x 0 x ne 1 x 0 x 1. X 6 displaystyle x pm 6 x 6 but x 0 displaystyle x0 x 0 therefore x 6 displaystyle x6 x 6 is the only solution. Log 2 x -5 Given log 2 x - 5 Then x 2-5 25 1 32 1 EXERCISE 52 Find the value of each of the following 1. Log 2 128 2 log 5 125 3.