Monday, October 12, 2009

1+1 = ?

1+1
=1+sqrt(1)
=1+sqrt(-1x-1)
=1+sqrt(-1)*sqrt(-1)
=1+i*i
=1+(-1)
=0

to all mathematics fanatics, where's the mistake?!
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2 comments:

evie said...

... =1+sqrt(-1)*sqrt(-1)

cant split out the stuff inside the sqrt.. e.g. sqrt4 does not equal sqrt2 x sqrt2 right..

Monday, October 26, 2009 5:52:00 PM
yanxin said...

sqrt(4) = sqrt(2)*sqrt(2) what. ahaha. test on ur calculator. haha.

Tuesday, October 27, 2009 6:36:00 PM

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