You are not logged in.
thanks
and whats for 8 by 8 magic square.
can anyone help me to fill out the magic square of 9 by 9 with the given series.
1+3+5+7+....................
ABCD is a cyclic quadrilateral.
E is the intersection of chord BC and AD.
Area of trianlge AEB is 1 square unit. then what is the area of of the circle.
What is the relation between area of triangle AEB and circle?
detail is here
above last relation simplifies to
if there is mistake sorry in advance.
hi JaneFairFax
i amnot understanding how we can conclude that .
when i click logout it shows logged out succesfully and redirecting but it does not.
what is the wrong going on?
how to upload pictures in this forum site when posting new topic without giving link to url.
let
let O be the center of circle
join AC and OB let they meet at E.
Now triangle ABO and triangle BCO are congruent. and it can be proved that AC and BO are perpendicular.
Now
equaling (1) and (2) and simplifing
oh sorry
i got wrong conclusion
thanks for yours(both of you) great responses
one doubt is here.
both of you conclude that
c=2m and
3m+w=100
the second one suggest that possible value of m are 0,1,2....33
and both of u suggest that there are 34 solutions
i think it is not. because c=2m suggest that m is only even then possible value of m are 0, 2 , 4 , 6, ........32 then there are only 17 only solutions. am i right?
sorry in advance if any mistake.
tow equations
m + w + c =100
2m+w+(1/2)c=100
for these two equations how many solutions are possible.
assuming that m for man, w for woman and c for children.
can we say that if x^x = a^a, then x=a?i if then
above equation can be simplified to
x^x=1/16
and x^x = (1/4)^(1/4)
then we can say that x = 1/4
i don't know the general solution of this equation. the trivial solution is x = 1/4.
thanks mathsyperson
u r great
let 2sin2b = 3sin2a ----------- (I)
tanb = 3tana ---------------II
from (I)
4sinb.cosb=6sina.cosa
multiplying both side by II
we get
4sin^2 b =18 sin^2 a
4tan^2 b/(sq.root(1+tan^2 b) = 18tan^2 a/(sq.root(1+tan^2 a)
now
36tan^2 a/sq.root(1+9tan^2 a) = 18tan^2 a/(sq.root(1+tan^2 a)
putting tan^a = x
we get
36x/sq.root(1+9x) = 18x/sq.root(1+x)
solving this equation we get
3 = 5x
which give tan^2 a =3/5
tan a =sq.root(3/5)
tan b =3.sq.root(3/5)
solved !!!!
yes
if there is mistake soryy in advanced
what if we let y = (x)^(x^1/2)-1/2=o and solve it graphically?
i think
(that the answer will be the intersection of x axis and the curve line given by the new equation.)
sorry ganesh
i think there is still mistake.
what is the last digit of 3^555555?
i think it is logical or tricky question. But i didnot get into to solve.
the question is
what is the sum of the sum of the sum of the digits(last sum) fo the no.
4444^4444
plz help me to solve that
algebra section is good menu.
what if there are the menu(section) with different levels (categorized with different levels) so that all users with different levels can easily post their problems and view and reply the sections.
(sorry for posting suggestion on this post)
(i am not good in English. sorry)
is it possible that opposite sides are parallel and their sum are equal?
then it must be BF=CE, then is it possible?
if it is regular hexagon is posssible to prove. in that case all sides are equal and proof will easily follow.
if not the case then i think it is not possible.
sorry for inconvinience
thanks mathsyperson.
i myself finally did it in another way.
ie
=^2(a^2-2a+2)+a(a^2-2a+2)+1(a^2-2a+2)
=a^2+a+1)(a^2-2a+2)
=a^2+a+1)*0
=0