Find a tutor
How it works
Prices
Resources
For schools
Become a tutor
Answers
>
Maths
>
A Level
>
Article
x^3 + 3x^2 + 2x + 12
3x
2
+ 6x + 2
JQ
Answered by
Jiawang Q.
•
Maths tutor
3199 Views
See similar Maths A Level tutors
Related Maths A Level answers
All answers ▸
By writing tan x as sin x cos x , use the quotient rule to show that d dx ðtan xÞ ¼ sec2 x .
Solve ∫(x+2)/(2x^2+1)^3 dx
Show that x^2 - x +2 is positive for all values of x
Determine the coordinates of all the stationary points of the function f(x) = (1/3)*x^3+x^2-3*x+1 and state whether they are a maximum or a minimum.
We're here to help
Contact us
+44 (0) 203 773 6020
Company Information
Careers
Blog
Subject answers
Become a tutor
Schools
Safeguarding policy
FAQs
Using the Online Lesson Space
Testimonials & press
Sitemap
Popular Requests
Maths tutor
Chemistry tutor
Physics tutor
Biology tutor
English tutor
GCSE tutors
A level tutors
IB tutors
Physics & Maths tutors
Chemistry & Maths tutors
GCSE Maths tutors
© MyTutorWeb Ltd 2013–2025
Terms & Conditions
|
Privacy Policy
CLICK CEOP
Internet Safety
Payment Security
Cyber
Essentials
Cookie Preferences