• Best of luck to the class of 2025 for their HSC exams. You got this!
    Let us know your thoughts on the HSC exams here

Inequality Help!!!!!! (1 Viewer)

Gayvin

New Member
Joined
Jun 18, 2009
Messages
14
Gender
Male
HSC
2012
<HR style="BACKGROUND-COLOR: #d1d1e1; COLOR: #d1d1e1" SIZE=1>
<!-- google_ad_section_start -->let x and y be positive real number. Prove that
(p+2)(q+2)(p+q)>(or equal to) 16pq

Now everybody dont think i havent tried i have, im not bullshitting.
I need this answer by tonite
any help will be appreciated.
Yours Sincerely
Gayvin.<!-- google_ad_section_end --></SPAN>
 

kurt.physics

Member
Joined
Jun 16, 2007
Messages
823
Gender
Undisclosed
HSC
N/A
let x and y be positive real number. Prove that
(p+2)(q+2)(p+q)>(or equal to) 16pq

Now everybody dont think i havent tried i have, im not bullshitting.
I need this answer by tonite
any help will be appreciated.
Yours Sincerely
Gayvin.
This whole problem works on the fact that



This is called the AM-GM inequality because is the arithmatic mean and geometric mean.

Note that is is equivilent to










Multiplying these three inequalities together,



 
Last edited:

Users Who Are Viewing This Thread (Users: 0, Guests: 1)

Top