4^x - 2^x+1 - 15 = 0

x = log5/log2

NE
Answered by Narhen E. Maths tutor

2891 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

The variables x and y are related by y = 5^x. How do I find the value of x when y is set to 15?


Solve the differential equation : dy/dx - x^3 -5x = 0


How do you differentiate using the chain rule?


How do I add up the integers from 1 to 1000 without going insane?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning