This is not possible. Something should be wrong somewhere which I am not able to figure out
2009-04-22 00:13:31
Message 2
Join Date: July 2008
posts: 345
This isn't what I want.
2009-06-08 04:49:59
Message 3
Join Date: July 2008
posts: 345
it is we should not divide the equation by (x-y). in step 4 since x-y=0
we could divide only by a nonzero value.
so we got an absurd result 2=1.
hope u satisfied with this answer.
2010-01-30 20:42:06
Message 4
Join Date: July 2008
posts: 345
heracles is wrong..
he says: (x-y) can be cancelled out only wen they r variables.
i say:
1. (x-y) can be cancelled out only wen (x-y) is a const except wen (x-y)=0 coz cancelling zero is not accepted. At the beginning, it is taken tht x=y, which means for all values of x and y, (x-y) =0.
2. In expressions like x=xy, we shud not cancel x as it is a variable.
3. In exp like (x+y)(x-y)=(x-y)y, to cancel (x-y), not even one of x or y shud be a variable.
2010-09-18 18:35:04
Message 5
Join Date: July 2008
posts: 345
if x=y,then x-y=0,then how can we divide anything by 0 ? (which results infinity)... if this step is wrong then , theres no question arises in viewing the other steps .... Enjoy !!!
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Message 14
louis111
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