log3 (9y + b) – log3 (2y – b) = 2, Find y in terms of b.
Use laws of logarithms to simplify.Log3((9y+b)/(2y-b)) = 2(9y+b)/(2y-b) = 32(9y+b) = 9(2y-b)9y+b = 18y-9bCollect terms.9y = 10by = 10b/9
RA
Related Maths A Level answers
All answers ▸Find the integral of e^3x/(1+e^x) using the substitution of u=1+e^x
A stationary point of inflection implies a second derivative of 0, does this work the other way around?
How to find and classify stationary points (maximum point, minimum point or turning points) of curve.
How would you differentiate the term 3x^3-2x^2+x-10