(main)[4]
Apply logarithms to solve the equation $4^{3x-1} = 3(5^x)$, and give the answer correct to 3 decimal places.
Mathematics 9709 · AS & A Level · Logarithmic and exponential functions
Logarithmic and exponential functions — practice question
Worked solution & mark scheme
This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Apply the logarithm law for a product, power or quotient to produce a correct linear equation, e.g. $(3x-1) \ln 4 = \ln 3 + x \ln 5$.” …
- Full mark scheme, point by point
- Step-by-step worked solution
- Write your answer & get it marked instantly by AI