Express 21/root7 in the form k root7.

21/root 7 = 21root7/7 = 3root7

k = 3

AW
Answered by Ally W. Maths tutor

6288 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

Integrate lnx


Find the solution of the differential equation: dy/dx = (xy^2 + x)/y. There is no need to rearrange the solution to be in terms of y.


How do I find the inverse of a function?


Given that y = 4x^3 – 5/(x^2) , x =/= 0, find in its simplest form dy/dx.


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