Answers>Maths>A Level>Article

Express 21/root7 in the form k root7.

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

k = 3

Answered by Ally W. • Maths tutor

6131 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

f(x) = sinx. Using differentiation from first principles find the exact value of f' (π/6).

Answered by

The line AB has equation 5x+3y+3=0. It is parallel to a line with equation y=mx+7. What is m?

Answered by Mina T.

Given that y=(4x^2)lnx, find f"(x) when x=e^2

Answered by Johnny H.

Find the gradient of the exponential curve y(x)=(9e^(7x))/(12e^(2x)) at x=2/5

Answered by Connor M.

We're here to help

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

Company Information

CareersBlogSubject answersBecome a tutorSchoolsSafeguarding policyFAQsUsing the Online Lesson SpaceTestimonials & pressSitemap

Popular Requests

Maths tutorChemistry tutorPhysics tutorBiology tutorEnglish tutorGCSE tutorsA level tutorsIB tutorsPhysics & Maths tutorsChemistry & Maths tutorsGCSE Maths tutors

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy|Cookie Preferences
CEOP logo
CLICK CEOP

Internet Safety

Sagepay logo

Payment Security

Cyber Essentials logo

Cyber

Essentials

Cookie Preferences