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

x = log5/log2

NE
Answered by Narhen E. Maths tutor

2844 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

The equation kx^2+4kx+5=0, where a is a constant, has no real roots. Find the range of possible values of k.


If y = (1+3x)^2, what is dy/dx?


Find the area enclosed by the curve y = cos(x) * e^x and the x-axis on the interval (-pi/2, pi/2)


Solve the equation " 2sec^2(x) = 5tanx " for 0 < x < π


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:

© 2025 by IXL Learning