Solve, giving your answer to 3 s.f. : 2^(2x) - 6(2^(x) ) + 5 = 0

22x - 6(2x ) + 5 = 0let y = 2xy2 - 6y + 5 = 0(y-5)(y-1) = 0 y=5, y=12x = 5, therefore, x = log25 = 2.32 (3 s.f.)2x = 1, therefore, x = log21 = 0

JO
Answered by Jess O. Maths tutor

4171 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

differentiate x^2 + y^3 + xy respect to x


How do you find the angle between two lines in three dimensional vector space given two points on line 1 and the vector equation of line 2


Integral of sin^2(x) with respect to x


How do you solve a quadratic inequality eg find the values of x for which x^2 -6x +2 < -3


We're here to help

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

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences