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![[Post New]](/templates/default/images/icon_minipost_new.gif) 2 Jul 2008 14:07:49 IST
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what is "L-HOSPITAL RULE"??.. GIve EXAMPLES ALSO....
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2 Jul 2008 14:11:09 IST
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plss...any one..
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. . . : : | | : : A T U L : : | | : : . . .
||~::~||THE ONLY THING YOU DON'T KNOW IS THAT WHICH YOU DON'T KNOW||~::~|| |
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L' hospital rule is used as a shortcut to solve limits quistions of the form 0/0 or infinity/infinity..............
wat u do is ------you differentiate the numerator.....and denominator........nd apply the limits.............
example...............
limit tends to 0........ sinx/x
usin l hospital rule.............
cosx/1
cos0=1
hence the answer......
but its not always advisable to use l hospital.......as sometimes limits doesnt exist........
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3 Jul 2008 09:35:26 IST
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it is a method to solve the limit
in this u differentiate the given Q until the indeterminenet form is removed
once the indeterminent form (0/0) is removed put the value to
which the variable is tending
and get the ans...
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IMPOSSIBLES ARE OFTEN UNTRIED... |
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3 Jul 2008 09:40:17 IST
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A Major point which everyone have missed
LHospital Rule can be applied if
(lim x tends to a)f(x)/g(x) where f(x) approach 0 or infinity and g(x) approach 0 or infinity when x approach a respectively
or say we get (0/0) or (infinity/infinity) form
but the functions f(x) and g(x) should be continuous and differentiable at a
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