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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: Differentiation
Forum Index -> Differential Calculus like the article? email it to a friend.  
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[Post New]7 Jun 2007 23:27:25 IST
    Subject: Differentiation
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sarvpriye (36)

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Let f(x) be differentiable function x  R. then which is true:
 
a) d2y/ dx2   _ (dx/dy)3 = 0
b) d2y/dx2 + (dy/dx)3.d2x/dy2 = 0
c) d2y/dx2  (dy/dx)3 = 0
d) None of these.
    
[Post New]9 Jun 2007 10:32:25 IST
    Subject: Re:Differentiation
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monur3 (17)

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the ans is b option. suppose y=x is a diff fn so dy/dx=1, d2y/dx2=0, and d2x/dy2=0.
do rate me if the ans is correct.
RAHUL
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Forum Index -> Differential Calculus
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