Search found 25 matches

by ibrahim
Sat Sep 03, 2011 10:48 pm
Forum: H. Secondary: Solved
Topic: Dhaka Higher Secondary 2011/10
Replies: 4
Views: 4215

Re: Dhaka Higher Secondary 2011/10

I am using on mobile, so i can't using latex. Plz explain....
by ibrahim
Sat Sep 03, 2011 10:37 pm
Forum: Higher Secondary Level
Topic: Love Equation
Replies: 4
Views: 1602

Love Equation

The equation of love (heart sign) is


(x^2+y^2-1)^3-x^2*y^3=0

U can try to draw it. If u can plz post the solutions for x and y.
by ibrahim
Sat Sep 03, 2011 10:09 pm
Forum: Higher Secondary Level
Topic: The Art And Craft Of Problem Solving
Replies: 7
Views: 2676

The Art And Craft Of Problem Solving

Here we will discuss about the book named The Art And Craft Of Problem Solving. It can be as like a class. We can read a chapter and discuss here about the contents and the problems in the chapter.
by ibrahim
Sat Sep 03, 2011 9:53 pm
Forum: Asian Pacific Math Olympiad (APMO)
Topic: APMO 2011
Replies: 3
Views: 2840

Re: APMO 2011

It was a good experience. I thought that i could not understand the problens. But i have solved one(i don't know the solution was correct or not.). Another problem i solved for tow cases, another case had to be solved. I couldn't understand that the answer had to be written in english. So i wrote th...
by ibrahim
Sat Sep 03, 2011 9:23 pm
Forum: H. Secondary: Solved
Topic: Dhaka Higher Secondary 2011/10
Replies: 4
Views: 4215

Re: Dhaka Higher Secondary 2011/10

I've got 8.
ABC=APC+BPC+BPA

1/2 AB*AC=1/2 AC*1+1/2*2*BC+1/2*3*AB

AB=1+ 2*BC/AC+3*AB/AC

=1+2cos60+3tan60

=1+1+3*(3)^(1/2)

so x+y+z=8


akashe shurjota othe nirobe