Simplify (5-root3)/(5+root3)

multiply with conjugate 5-root3 such that the denominator gets rational 

(5-root3)^2/((5+root3)(5-root3)) = (25-10root3+3)/(25-3)=(28-10root3)/22 = 14/11 - 5root3/11

Answered by Evita G. Maths tutor

11143 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

How can I derive an equation to find the sum of an arithmetic sequence?


Core 3 - Modulus: Solve the equation |x-2|=|x+6|.


A curve has equation y=x^2 + 2x +5. Find the coordinates of the point at which the gradient is equal to 1.


The volume, V, of water in a tank at time t seconds is given by V = 1/3*t^6 - 2*t^4 + 3*t^2, for t=>0. (i) Find dV/dt


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 2013–2024

Terms & Conditions|Privacy Policy