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![[Post New]](/templates/default/images/icon_minipost_new.gif) 11 Aug 2007 13:02:35 IST
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When we calculate lim(x->0) 1/x ...we write the answer that LHL is -inf and RHL is +inf...we can say undefined because infinity is not defined!
But what is f(0)? .... it is said to be not defined and NOT INFINITY!!!!
Note that lim(x->a) f(x) means that what value does f(x) APPROACH as x APPROACHES a...
x is never equal to a and f(x) is never equal to the answer we get...
This 1/0 concept used to be wrong in previous NCERT books too...but it has been corrected...
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11 Aug 2007 13:12:23 IST
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If infinity is a real no, the tell me why (infinity) - (infinity) is not zero
Why zero * infinity is not zero
Why 1 raised to infinity is not one?
Answer these ques and i will agree to the notion that infinity is real...
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11 Aug 2007 13:16:38 IST
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WHO SAID INFINITY IS REAL!!!
infinity is just....nothing...
any thing which involves infinity is NOT DEFINED
0*inf=not defined but 0*(tending to infinity)=0
1^inf=not defined but 1^(tending to inf)=1
(tending to 0)*(tending to inf) = indeterminate
(tending to 1)^(tending to inf) = indeterminate
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11 Aug 2007 17:10:38 IST
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neeral is correct and also infinity - infinity is not zero because we dont know the exact value of infinity... its just a concept of mathematics... infinty is a whole big branch of maths in itself its not just any simple number..
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---------------------------------------------------------------
* Gaurav Ragtah ( aka Artemis Fowl )
* Agent 'G' [sniper] - SD-6 (Alliance of Twelve)
* Your friendly neighborhood spideyunlimited |
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11 Aug 2007 17:11:37 IST
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see it this way
inf + 2 is also equal t o infinity
so infinity - infinity can be written as infinity - ( infinity + 2)
so it will be - 2 ... it can be any number this way.. got it ? :)
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* Gaurav Ragtah ( aka Artemis Fowl )
* Agent 'G' [sniper] - SD-6 (Alliance of Twelve)
* Your friendly neighborhood spideyunlimited |
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