does anyone know what the Wallis' Formula is?

Question

anonymous · Answer

http://mathworld.wolfram.com/WallisFormula.html

anonymous · Answer

@lgbasallote he knows ;)

lgbasallote · Answer

hmmm..we havent discussed this yet sorry :/

lgbasallote · Answer

why do i always get pinged at questions i dont know -___-

anonymous · Answer

do you know how @FoolForMath ?

anonymous · Answer

mjhgdcxcvbbmnm$$ (Pi/2) =	(2*2) (1*3)	(4*4) (3*5)	(6*6) (5*7)	 ...  It is somewhat surprising that when you pull out every other pair of terms, you get a completely different kind of number!  Sqrt[2] =	(2*2) (1*3)	(6*6) (5*7)	(10*10) (9*11)	 ... $$

anonymous · Answer

(Pi/2) =	(2*2)
(1*3)	(4*4)
(3*5)	(6*6)
(5*7)	 ...

It is somewhat surprising that when you pull out every other pair of terms, you get a completely different kind of number!

Sqrt[2] =	(2*2)
(1*3)	(6*6)
(5*7)	(10*10)
(9*11)	 ...

anonymous · Answer

@mimi_x3 might know the answer :)

blockcolder · Answer

It's that infinite product that becomes pi/2.