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

Answered by Roy A. Maths tutor

7560 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

Prove that n is a prime number greater than 5 then n^4 has final digit 1


Differentiate with respect to x: (x^2+5)^3


What are stationary points and how do I find them?


When finding the turning points of a curve, how can I tell if it is a maximum, minimum or a point of inflection?


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences