i am totally astonish isnt there anybody to answer THIS ques??
i was quite eager when i was posting this prob.cuz i wanna see the ideas,but no response!!!
Search found 41 matches
- Mon Jan 17, 2011 5:29 pm
- Forum: Geometry
- Topic: the finest problem of apmc
- Replies: 4
- Views: 3723
- Mon Jan 17, 2011 5:24 pm
- Forum: Geometry
- Topic: where is trigonmetry??
- Replies: 3
- Views: 2780
Re: where is trigonmetry??
its from CRUX.you know what i mean
- Mon Jan 17, 2011 12:36 pm
- Forum: Number Theory
- Topic: from apmc
- Replies: 9
- Views: 5890
Re: from apmc
oow!! awesome!! what make you approching like this?? very cool instead.appreciating.
- Sun Jan 16, 2011 9:41 am
- Forum: Geometry
- Topic: the finest problem of apmc
- Replies: 4
- Views: 3723
the finest problem of apmc
Given a circle $\Gamma$ with center $O$ and radius $r$.let $AB$ be a fixed diameter of $\Gamma$. $K$ be a fixed point of segment $AO$. Denote by $t$ the line tangent to $\Gamma$ at $A$. For any chord $CD$ (other than $AB$) passing through $K$. Let $P$ and $Q$ be the points of intersection of lines $...
- Sun Jan 16, 2011 9:32 am
- Forum: Geometry
- Topic: geometric inequility of apmc
- Replies: 0
- Views: 4364
geometric inequility of apmc
prove that for a convex quadriliteral ABCD with area 1 the sum of the lengths of all sides and diagonals is not less than 4+root(8)...(i still dont know how to use latex..... ).......
the trick is for an angle A sinA<1 and for A=90 sinA=1.........
the arrivals
the trick is for an angle A sinA<1 and for A=90 sinA=1.........
the arrivals
- Sun Jan 16, 2011 8:18 am
- Forum: Algebra
- Topic: functional equation australia
- Replies: 9
- Views: 5439
functional equation australia
determine all real valued function f define on non negative integers satisfying \[ f(x+y)+f(x-y)=f(3x) \] a question i like to be answered. determine all functions define on R+ to R satisfying the condition \[f(x+y)=f(x^2+y^2)\] working a few time you may rather find the relations $f(x)=f(x^2)$ $f(x...
- Sun Jan 16, 2011 8:07 am
- Forum: Number Theory
- Topic: from apmc
- Replies: 9
- Views: 5890
Re: from apmc
(2,2,3) perhaps a solution also.
- Sat Jan 15, 2011 10:01 pm
- Forum: Number Theory
- Topic: from apmc
- Replies: 9
- Views: 5890
from apmc
find triples (p,q,n) with p,q primes and n an integer which is greater or equal 1
satisfying the awkward( ) relation
p(p+1)+q(q+1)=n(n+1)
the arrivals
satisfying the awkward( ) relation
p(p+1)+q(q+1)=n(n+1)
the arrivals
- Sat Jan 15, 2011 2:47 pm
- Forum: Physics
- Topic: save heat save energy
- Replies: 2
- Views: 2674
save heat save energy
A rectangular box shaped house is to have square floor.
3times as much heat per square meter is lost through the roofs as through the walls.
no heat is lost through the floor.
What shape should the house be if it is to enclose 1500cubic meters and minimize heat loss??...
- Fri Jan 14, 2011 8:21 pm
- Forum: Number Theory
- Topic: prime number in action
- Replies: 10
- Views: 7156
prime number in action
prove that for every integer k the numbers 2k+1 and 9k+4 are relatively prime.
and find G.C.D of the two numbers (2k-1 and 9k+4) in terms of k or as a function of k.
the arrivals
and find G.C.D of the two numbers (2k-1 and 9k+4) in terms of k or as a function of k.
the arrivals